diff --git a/src/atom_window.py b/src/atom_window.py
index 56449846f..4712dfc41 100644
--- a/src/atom_window.py
+++ b/src/atom_window.py
@@ -35,7 +35,9 @@ class AtomWindow:
 
 	@classmethod
 	def newAtomEntry(cls, entry):
-		''' Queue new entry, open window if there's no one opened. '''
+		"""
+		Queue new entry, open window if there's no one opened
+		"""
 		cls.entries.append(entry)
 
 		if cls.window is None:
@@ -48,7 +50,9 @@ class AtomWindow:
 		cls.window = None
 
 	def __init__(self):
-		''' Create new window... only if we have anything to show. '''
+		"""
+		Create new window... only if we have anything to show
+		"""
 		assert len(self.__class__.entries)>0
 
 		self.entry = None	# the entry actually displayed
@@ -69,7 +73,9 @@ class AtomWindow:
 		self.feed_title_eventbox.add_events(gtk.gdk.BUTTON_PRESS_MASK)
 
 	def displayNextEntry(self):
-		''' Get next entry from the queue and display it in the window. '''
+		"""
+		Get next entry from the queue and display it in the window
+		"""
 		assert len(self.__class__.entries)>0
 
 		newentry = self.__class__.entries.pop(0)
@@ -103,8 +109,10 @@ class AtomWindow:
 		self.entry = newentry
 
 	def updateCounter(self):
-		''' We display number of events on the top of window, sometimes it needs to be
-		changed...'''
+		"""
+		Display number of events on the top of window, sometimes it needs to be
+		changed
+		"""
 		count = len(self.__class__.entries)
 		if count>0:
 			self.new_entry_label.set_text(i18n.ngettext(
diff --git a/src/config.py b/src/config.py
index 727744a04..adf5078c5 100644
--- a/src/config.py
+++ b/src/config.py
@@ -63,17 +63,23 @@ from common.exceptions import GajimGeneralException
 
 #---------- PreferencesWindow class -------------#
 class PreferencesWindow:
-	'''Class for Preferences window'''
+	"""
+	Class for Preferences window
+	"""
 
 	def on_preferences_window_destroy(self, widget):
-		'''close window'''
+		"""
+		Close window
+		"""
 		del gajim.interface.instances['preferences']
 
 	def on_close_button_clicked(self, widget):
 		self.window.destroy()
 
 	def __init__(self):
-		'''Initialize Preferences window'''
+		"""
+		Initialize Preferences window
+		"""
 		self.xml = gtkgui_helpers.get_glade('preferences_window.glade')
 		self.window = self.xml.get_widget('preferences_window')
 		self.window.set_transient_for(gajim.interface.roster.window)
@@ -495,8 +501,10 @@ class PreferencesWindow:
 			self.window.hide()
 
 	def get_per_account_option(self, opt):
-		'''Return the value of the option opt if it's the same in all accounts
-		else returns "mixed"'''
+		"""
+		Return the value of the option opt if it's the same in all accounts else
+		returns "mixed"
+		"""
 		if len(gajim.connections) == 0:
 			# a non existant key return default value
 			return gajim.config.get_per('accounts', '__default__', opt)
@@ -585,7 +593,9 @@ class PreferencesWindow:
 		self.toggle_emoticons()
 
 	def toggle_emoticons(self):
-		'''Update emoticons state in Opened Chat Windows'''
+		"""
+		Update emoticons state in Opened Chat Windows
+		"""
 		for win in gajim.interface.msg_win_mgr.windows():
 			win.toggle_emoticons()
 
@@ -779,7 +789,9 @@ class PreferencesWindow:
 			self.sounds_preferences.window.present()
 
 	def update_text_tags(self):
-		'''Update color tags in Opened Chat Windows'''
+		"""
+		Update color tags in opened chat windows
+		"""
 		for win in gajim.interface.msg_win_mgr.windows():
 			win.update_tags()
 
@@ -800,7 +812,9 @@ class PreferencesWindow:
 		gajim.interface.save_config()
 
 	def update_text_font(self):
-		'''Update text font in Opened Chat Windows'''
+		"""
+		Update text font in opened chat windows
+		"""
 		for win in gajim.interface.msg_win_mgr.windows():
 			win.update_font()
 
@@ -879,7 +893,9 @@ class PreferencesWindow:
 		gajim.interface.save_config()
 
 	def _set_color(self, state, widget_name, option):
-		''' set color value in prefs and update the UI '''
+		"""
+		Set color value in prefs and update the UI
+		"""
 		if state:
 			color = self.xml.get_widget(widget_name).get_color()
 			color_string = gtkgui_helpers.make_color_string(color)
@@ -1346,7 +1362,10 @@ class ManageProxiesWindow:
 
 #---------- AccountsWindow class -------------#
 class AccountsWindow:
-	'''Class for accounts window: list of accounts'''
+	"""
+	Class for accounts window: list of accounts
+	"""
+
 	def on_accounts_window_destroy(self, widget):
 		del gajim.interface.instances['accounts']
 
@@ -1414,7 +1433,9 @@ class AccountsWindow:
 			iter_ = model.iter_next(iter_)
 
 	def init_accounts(self):
-		'''initialize listStore with existing accounts'''
+		"""
+		Initialize listStore with existing accounts
+		"""
 		self.remove_button.set_sensitive(False)
 		self.rename_button.set_sensitive(False)
 		self.current_account = None
@@ -1440,7 +1461,9 @@ class AccountsWindow:
 		elif self.need_relogin and self.current_account and \
 		gajim.connections[self.current_account].connected > 0:
 			def login(account, show_before, status_before):
-				''' login with previous status'''
+				"""
+				Login with previous status
+				"""
 				# first make sure connection is really closed,
 				# 0.5 may not be enough
 				gajim.connections[account].disconnect(True)
@@ -1473,7 +1496,9 @@ class AccountsWindow:
 		self.resend_presence = False
 
 	def on_accounts_treeview_cursor_changed(self, widget):
-		'''Activate modify buttons when a row is selected, update accounts info'''
+		"""
+		Activate modify buttons when a row is selected, update accounts info
+		"""
 		sel = self.accounts_treeview.get_selection()
 		(model, iter_) = sel.get_selected()
 		if iter_:
@@ -1739,7 +1764,9 @@ class AccountsWindow:
 			gajim.config.get_per('accounts', account, 'use_ft_proxies'))
 
 	def on_add_button_clicked(self, widget):
-		'''When add button is clicked: open an account information window'''
+		"""
+		When add button is clicked: open an account information window
+		"""
 		if 'account_creation_wizard' in gajim.interface.instances:
 			gajim.interface.instances['account_creation_wizard'].window.present()
 		else:
@@ -1747,8 +1774,10 @@ class AccountsWindow:
 				AccountCreationWizardWindow()
 
 	def on_remove_button_clicked(self, widget):
-		'''When delete button is clicked:
-		Remove an account from the listStore and from the config file'''
+		"""
+		When delete button is clicked: Remove an account from the listStore and
+		from the config file
+		"""
 		if not self.current_account:
 			return
 		account = self.current_account
@@ -2409,8 +2438,11 @@ class AccountsWindow:
 			'zeroconf_email', email)
 
 class FakeDataForm(gtk.Table, object):
-	'''Class for forms that are in XML format <entry1>value1</entry1>
-	infos in a table {entry1: value1, }'''
+	"""
+	Class for forms that are in XML format <entry1>value1</entry1> infos in a
+	table {entry1: value1}
+	"""
+
 	def __init__(self, infos):
 		gtk.Table.__init__(self)
 		self.infos = infos
@@ -2418,7 +2450,9 @@ class FakeDataForm(gtk.Table, object):
 		self._draw_table()
 
 	def _draw_table(self):
-		'''Draw the table'''
+		"""
+		Draw the table
+		"""
 		nbrow = 0
 		if 'instructions' in self.infos:
 			nbrow = 1
@@ -2452,9 +2486,11 @@ class FakeDataForm(gtk.Table, object):
 		return self.infos
 
 class ServiceRegistrationWindow:
-	'''Class for Service registration window:
-	Window that appears when we want to subscribe to a service
-	if is_form we use dataforms_widget else we use service_registarion_window'''
+	"""
+	Class for Service registration window. Window that appears when we want to
+	subscribe to a service if is_form we use dataforms_widget else we use
+	service_registarion_window
+	"""
 	def __init__(self, service, infos, account, is_form):
 		self.service = service
 		self.account = account
@@ -2501,7 +2537,7 @@ class ServiceRegistrationWindow:
 		self.window.destroy()
 
 class GroupchatConfigWindow:
-	'''GroupchatConfigWindow class'''
+
 	def __init__(self, account, room_jid, form = None):
 		self.account = account
 		self.room_jid = room_jid
@@ -2654,7 +2690,9 @@ class GroupchatConfigWindow:
 		self.remove_button[affiliation].set_sensitive(True)
 
 	def affiliation_list_received(self, users_dict):
-		'''Fill the affiliation treeview'''
+		"""
+		Fill the affiliation treeview
+		"""
 		for jid in users_dict:
 			affiliation = users_dict[jid]['affiliation']
 			if affiliation not in self.affiliation_labels.keys():
@@ -2703,8 +2741,10 @@ class GroupchatConfigWindow:
 
 #---------- RemoveAccountWindow class -------------#
 class RemoveAccountWindow:
-	'''ask for removing from gajim only or from gajim and server too
-	and do removing of the account given'''
+	"""
+	Ask for removing from gajim only or from gajim and server too and do
+	removing of the account given
+	"""
 
 	def on_remove_account_window_destroy(self, widget):
 		if self.account in gajim.interface.instances:
@@ -2904,7 +2944,9 @@ class ManageBookmarksWindow:
 		del gajim.interface.instances['manage_bookmarks']
 
 	def on_add_bookmark_button_clicked(self, widget):
-		'''Add a new bookmark.'''
+		"""
+		Add a new bookmark
+		"""
 		# Get the account that is currently used
 		# (the parent of the currently selected item)
 		(model, iter_) = self.selection.get_selected()
@@ -2929,9 +2971,9 @@ class ManageBookmarksWindow:
 		self.view.set_cursor(model.get_path(iter_))
 
 	def on_remove_bookmark_button_clicked(self, widget):
-		'''
-		Remove selected bookmark.
-		'''
+		"""
+		Remove selected bookmark
+		"""
 		(model, iter_) = self.selection.get_selected()
 		if not iter_: # Nothing selected
 			return
@@ -2944,9 +2986,9 @@ class ManageBookmarksWindow:
 		self.clear_fields()
 
 	def check_valid_bookmark(self):
-		'''
-		Check if all neccessary fields are entered correctly.
-		'''
+		"""
+		Check if all neccessary fields are entered correctly
+		"""
 		(model, iter_) = self.selection.get_selected()
 
 		if not model.iter_parent(iter_):
@@ -2963,10 +3005,10 @@ class ManageBookmarksWindow:
 		return True
 
 	def on_ok_button_clicked(self, widget):
-		'''
-		Parse the treestore data into our new bookmarks array,
-		then send the new bookmarks to the server.
-		'''
+		"""
+		Parse the treestore data into our new bookmarks array, then send the new
+		bookmarks to the server.
+		"""
 		(model, iter_) = self.selection.get_selected()
 		if iter_ and model.iter_parent(iter_):
 			#bookmark selected, check it
@@ -2997,9 +3039,9 @@ class ManageBookmarksWindow:
 		self.window.destroy()
 
 	def bookmark_selected(self, selection):
-		'''
+		"""
 		Fill in the bookmark's data into the fields.
-		'''
+		"""
 		(model, iter_) = selection.get_selected()
 
 		if not iter_:
@@ -3444,8 +3486,10 @@ class AccountCreationWizardWindow:
 		return True # loop forever
 
 	def new_acc_connected(self, form, is_form, ssl_msg, ssl_err, ssl_cert,
-	ssl_fingerprint):
-		'''connection to server succeded, present the form to the user.'''
+			ssl_fingerprint):
+		"""
+		Connection to server succeded, present the form to the user
+		"""
 		if self.update_progressbar_timeout_id is not None:
 			gobject.source_remove(self.update_progressbar_timeout_id)
 		self.back_button.show()
@@ -3479,7 +3523,9 @@ class AccountCreationWizardWindow:
 			self.notebook.set_current_page(4) # show form page
 
 	def new_acc_not_connected(self, reason):
-		'''Account creation failed: connection to server failed'''
+		"""
+		Account creation failed: connection to server failed
+		"""
 		if self.account not in gajim.connections:
 			return
 		if self.update_progressbar_timeout_id is not None:
@@ -3499,7 +3545,9 @@ class AccountCreationWizardWindow:
 		self.notebook.set_current_page(6) # show finish page
 
 	def acc_is_ok(self, config):
-		'''Account creation succeeded'''
+		"""
+		Account creation succeeded
+		"""
 		self.create_vars(config)
 		self.show_finish_page()
 
@@ -3507,7 +3555,9 @@ class AccountCreationWizardWindow:
 			gobject.source_remove(self.update_progressbar_timeout_id)
 
 	def acc_is_not_ok(self, reason):
-		'''Account creation failed'''
+		"""
+		Account creation failed
+		"""
 		self.back_button.show()
 		self.cancel_button.show()
 		self.go_online_checkbutton.hide()
diff --git a/src/conversation_textview.py b/src/conversation_textview.py
index fa5dcd25e..7744ef685 100644
--- a/src/conversation_textview.py
+++ b/src/conversation_textview.py
@@ -158,8 +158,10 @@ class TextViewImage(gtk.Image):
 
 
 class ConversationTextview(gobject.GObject):
-	'''Class for the conversation textview (where user reads already said
-	messages) for chat/groupchat windows'''
+	"""
+	Class for the conversation textview (where user reads already said messages)
+	for chat/groupchat windows
+	"""
 	__gsignals__ = dict(
 		quote = (gobject.SIGNAL_RUN_LAST | gobject.SIGNAL_ACTION,
 			None, # return value
@@ -177,8 +179,10 @@ class ConversationTextview(gobject.GObject):
 	SCROLL_DELAY = 33 # milliseconds
 
 	def __init__(self, account, used_in_history_window = False):
-		'''if used_in_history_window is True, then we do not show
-		Clear menuitem in context menu'''
+		"""
+		If used_in_history_window is True, then we do not show Clear menuitem in
+		context menu
+		"""
 		gobject.GObject.__init__(self)
 		self.used_in_history_window = used_in_history_window
 
@@ -642,8 +646,9 @@ class ConversationTextview(gobject.GObject):
 		return False
 
 	def on_textview_motion_notify_event(self, widget, event):
-		'''change the cursor to a hand when we are over a mail or an
-		url'''
+		"""
+		Change the cursor to a hand when we are over a mail or an url
+		"""
 		pointer_x, pointer_y = self.tv.window.get_pointer()[0:2]
 		x, y = self.tv.window_to_buffer_coords(gtk.TEXT_WINDOW_TEXT,
 			pointer_x, pointer_y)
@@ -688,7 +693,9 @@ class ConversationTextview(gobject.GObject):
 			self.change_cursor = True
 
 	def clear(self, tv = None):
-		'''clear text in the textview'''
+		"""
+		Clear text in the textview
+		"""
 		buffer_ = self.tv.get_buffer()
 		start, end = buffer_.get_bounds()
 		buffer_.delete(start, end)
@@ -698,15 +705,18 @@ class ConversationTextview(gobject.GObject):
 		self.focus_out_end_mark = None
 
 	def visit_url_from_menuitem(self, widget, link):
-		'''basically it filters out the widget instance'''
+		"""
+		Basically it filters out the widget instance
+		"""
 		helpers.launch_browser_mailer('url', link)
 
 	def on_textview_populate_popup(self, textview, menu):
-		'''we override the default context menu and we prepend Clear
-		(only if used_in_history_window is False)
-		and if we have sth selected we show a submenu with actions on
-		the phrase (see on_conversation_textview_button_press_event)'''
-
+		"""
+		Override the default context menu and we prepend Clear (only if
+		used_in_history_window is False) and if we have sth selected we show a
+		submenu with actions on the phrase (see
+		on_conversation_textview_button_press_event)
+		"""
 		separator_menuitem_was_added = False
 		if not self.used_in_history_window:
 			item = gtk.SeparatorMenuItem()
@@ -971,13 +981,13 @@ class ConversationTextview(gobject.GObject):
 
 
 	def detect_and_print_special_text(self, otext, other_tags, graphics=True):
-		'''detects special text (emots & links & formatting)
-		prints normal text before any special text it founts,
-		then print special text (that happens many times until
-		last special text is printed) and then returns the index
+		"""
+		Detect special text (emots & links & formatting), print normal text
+		before any special text it founds, then print special text (that happens
+		many times until last special text is printed) and then return the index
 		after *last* special text, so we can print it in
-		print_conversation_line()'''
-
+		print_conversation_line()
+		"""
 		buffer_ = self.tv.get_buffer()
 		
 		insert_tags_func = buffer_.insert_with_tags_by_name
@@ -1023,8 +1033,10 @@ class ConversationTextview(gobject.GObject):
 		return buffer_.get_end_iter()
 
 	def print_special_text(self, special_text, other_tags, graphics=True):
-		'''is called by detect_and_print_special_text and prints
-		special text (emots, links, formatting)'''
+		"""
+		Is called by detect_and_print_special_text and prints special text
+		(emots, links, formatting)
+		"""
 		tags = []
 		use_other_tags = True
 		text_is_valid_uri = False
@@ -1163,9 +1175,12 @@ class ConversationTextview(gobject.GObject):
 		buffer_.insert_with_tags_by_name(end_iter, '\n', 'eol')
 
 	def print_conversation_line(self, text, jid, kind, name, tim,
-	other_tags_for_name=[], other_tags_for_time=[], other_tags_for_text=[],
-	subject=None, old_kind=None, xhtml=None, simple=False, graphics=True):
-		'''prints 'chat' type messages'''
+			other_tags_for_name=[], other_tags_for_time=[],
+			other_tags_for_text=[], subject=None, old_kind=None, xhtml=None,
+			simple=False, graphics=True):
+		"""
+		Print 'chat' type messages
+		"""
 		buffer_ = self.tv.get_buffer()
 		buffer_.begin_user_action()
 		if self.marks_queue.full():
@@ -1263,8 +1278,10 @@ class ConversationTextview(gobject.GObject):
 		buffer_.end_user_action()
 
 	def get_time_to_show(self, tim):
-		'''Get the time, with the day before if needed and return it.
-		It DOESN'T format a fuzzy time'''
+		"""
+		Get the time, with the day before if needed and return it. It DOESN'T
+		format a fuzzy time
+		"""
 		format = ''
 		# get difference in days since epoch (86400 = 24*3600)
 		# number of days since epoch for current time (in GMT) -
@@ -1317,8 +1334,10 @@ class ConversationTextview(gobject.GObject):
 			self.print_empty_line()
 
 	def print_real_text(self, text, text_tags=[], name=None, xhtml=None,
-	graphics=True):
-		'''this adds normal and special text. call this to add text'''
+			graphics=True):
+		"""
+		Add normal and special text. call this to add text
+		"""
 		if xhtml:
 			try:
 				if name and (text.startswith('/me ') or text.startswith('/me\n')):
diff --git a/src/dataforms_widget.py b/src/dataforms_widget.py
index 18195dccd..4a9681dab 100644
--- a/src/dataforms_widget.py
+++ b/src/dataforms_widget.py
@@ -38,7 +38,10 @@ import itertools
 
 class DataFormWidget(gtk.Alignment, object):
 # "public" interface
-	''' Data Form widget. Use like any other widget. '''
+	"""
+	Data Form widget. Use like any other widget
+	"""
+
 	def __init__(self, dataformnode=None):
 		''' Create a widget. '''
 		gtk.Alignment.__init__(self, xscale=1.0, yscale=1.0)
@@ -65,7 +68,9 @@ class DataFormWidget(gtk.Alignment, object):
 		selection.set_mode(gtk.SELECTION_MULTIPLE)
 
 	def set_data_form(self, dataform):
-		''' Set the data form (xmpp.DataForm) displayed in widget. '''
+		"""
+		Set the data form (xmpp.DataForm) displayed in widget
+		"""
 		assert isinstance(dataform, dataforms.DataForm)
 
 		self.del_data_form()
@@ -84,7 +89,9 @@ class DataFormWidget(gtk.Alignment, object):
 			gtkgui_helpers.label_set_autowrap(self.instructions_label)
 
 	def get_data_form(self):
-		''' Data form displayed in the widget or None if no form. '''
+		"""
+		Data form displayed in the widget or None if no form
+		"""
 		return self._data_form
 
 	def del_data_form(self):
@@ -95,8 +102,10 @@ class DataFormWidget(gtk.Alignment, object):
 		'Data form presented in a widget')
 
 	def get_title(self):
-		''' Get the title of data form, as a unicode object. If no
-		title or no form, returns u''. Useful for setting window title. '''
+		"""
+		Get the title of data form, as a unicode object. If no title or no form,
+		returns u''. Useful for setting window title
+		"""
 		if self._data_form is not None:
 			if self._data_form.title is not None:
 				return self._data_form.title
@@ -117,9 +126,11 @@ class DataFormWidget(gtk.Alignment, object):
 		pass
 
 	def clean_data_form(self):
-		'''Remove data about existing form. This metod is empty, because
-		it is rewritten by build_*_data_form, according to type of form
-		which is actually displayed.'''
+		"""
+		Remove data about existing form. This metod is empty, because it is
+		rewritten by build_*_data_form, according to type of form which is
+		actually displayed
+		"""
 		pass
 
 	def build_single_data_form(self):
@@ -138,14 +149,18 @@ class DataFormWidget(gtk.Alignment, object):
 		self.clean_data_form = self.clean_single_data_form
 
 	def clean_single_data_form(self):
-		'''(Called as clean_data_form, read the docs of clean_data_form()).
-		Remove form from widget.'''
+		"""
+		Called as clean_data_form, read the docs of clean_data_form(). Remove
+		form from widget
+		"""
 		self.singleform.destroy()
 		self.clean_data_form = self.empty_method	# we won't call it twice
 		del self.singleform
 
 	def build_multiple_data_form(self):
-		'''Invoked when new multiple form is to be created.'''
+		"""
+		Invoked when new multiple form is to be created
+		"""
 		assert isinstance(self._data_form, dataforms.MultipleDataForm)
 
 		self.clean_data_form()
@@ -196,13 +211,17 @@ class DataFormWidget(gtk.Alignment, object):
 			self.refresh_multiple_buttons()
 
 	def clean_multiple_data_form(self):
-		'''(Called as clean_data_form, read the docs of clean_data_form()).
-		Remove form from widget.'''
+		"""
+		Called as clean_data_form, read the docs of clean_data_form(). Remove
+		form from widget
+		"""
 		self.clean_data_form = self.empty_method	# we won't call it twice
 		del self.multiplemodel
 
 	def refresh_multiple_buttons(self):
-		''' Checks for treeview state and makes control buttons sensitive.'''
+		"""
+		Checks for treeview state and makes control buttons sensitive
+		"""
 		selection = self.records_treeview.get_selection()
 		model = self.records_treeview.get_model()
 		count = selection.count_selected_rows()
@@ -273,9 +292,12 @@ class DataFormWidget(gtk.Alignment, object):
 		self.refresh_multiple_buttons()
 
 class SingleForm(gtk.Table, object):
-	''' Widget that represent DATAFORM_SINGLE mode form. Because this is used
-	not only to display single forms, but to form input windows of multiple-type
-	forms, it is in another class.'''
+	"""
+	Widget that represent DATAFORM_SINGLE mode form. Because this is used not
+	only to display single forms, but to form input windows of multiple-type
+	forms, it is in another class
+	"""
+
 	def __init__(self, dataform):
 		assert isinstance(dataform, dataforms.SimpleDataForm)
 
@@ -284,9 +306,11 @@ class SingleForm(gtk.Table, object):
 		self.set_row_spacings(6)
 
 		def decorate_with_tooltip(widget, field):
-			''' Adds a tooltip containing field's description to a widget.
-			Creates EventBox if widget doesn't have its own gdk window.
-			Returns decorated widget. '''
+			"""
+			Adds a tooltip containing field's description to a widget.  Creates
+			EventBox if widget doesn't have its own gdk window.  Returns decorated
+			widget
+			"""
 			if field.description != '':
 				if widget.flags() & gtk.NO_WINDOW:
 					evbox = gtk.EventBox()
diff --git a/src/dialogs.py b/src/dialogs.py
index 4f2802e75..2ca3bbcc2 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -61,9 +61,14 @@ from common import dataforms
 from common.exceptions import GajimGeneralException
 
 class EditGroupsDialog:
-	'''Class for the edit group dialog window'''
+	"""
+	Class for the edit group dialog window
+	"""
+
 	def __init__(self, list_):
-		'''list_ is a list of (contact, account) tuples'''
+		"""
+		list_ is a list of (contact, account) tuples
+		"""
 		self.xml = gtkgui_helpers.get_glade('edit_groups_dialog.glade')
 		self.dialog = self.xml.get_widget('edit_groups_dialog')
 		self.dialog.set_transient_for(gajim.interface.roster.window)
@@ -96,7 +101,9 @@ class EditGroupsDialog:
 			self.dialog.destroy()
 
 	def remove_group(self, group):
-		'''remove group group from all contacts and all their brothers'''
+		"""
+		Remove group group from all contacts and all their brothers
+		"""
 		for (contact, account) in self.list_:
 			gajim.interface.roster.remove_contact_from_groups(contact.jid, account, [group])
 
@@ -104,7 +111,9 @@ class EditGroupsDialog:
 		gajim.interface.roster.draw_group(_('General'), account)
 
 	def add_group(self, group):
-		'''add group group to all contacts and all their brothers'''
+		"""
+		Add group group to all contacts and all their brothers
+		"""
 		for (contact, account) in self.list_:
 			gajim.interface.roster.add_contact_to_groups(contact.jid, account, [group])
 
@@ -199,7 +208,9 @@ class EditGroupsDialog:
 		column.set_attributes(renderer, active=1, inconsistent=2)
 
 class PassphraseDialog:
-	'''Class for Passphrase dialog'''
+	"""
+	Class for Passphrase dialog
+	"""
 	def __init__(self, titletext, labeltext, checkbuttontext=None,
 	ok_handler=None, cancel_handler=None):
 		self.xml = gtkgui_helpers.get_glade('passphrase_dialog.glade')
@@ -258,7 +269,10 @@ class PassphraseDialog:
 			self.cancel_handler()
 
 class ChooseGPGKeyDialog:
-	'''Class for GPG key dialog'''
+	"""
+	Class for GPG key dialog
+	"""
+
 	def __init__(self, title_text, prompt_text, secret_keys, on_response,
 				 selected=None):
 		'''secret_keys : {keyID: userName, ...}'''
@@ -428,9 +442,9 @@ class ChangeActivityDialog:
 			self.subactivity = data[1]
 
 	def on_ok_button_clicked(self, widget):
-		'''
+		"""
 		Return activity and messsage (None if no activity selected)
-		'''
+		"""
 		if self.checkbutton.get_active():
 			self.on_response(self.activity, self.subactivity,
 				self.entry.get_text().decode('utf-8'))
@@ -524,10 +538,10 @@ class ChangeMoodDialog:
 		self.window.destroy()
 
 class TimeoutDialog:
-	'''
+	"""
 	Class designed to be derivated to create timeout'd dialogs (dialogs that
 	closes automatically after a timeout)
-	'''
+	"""
 	def __init__(self, timeout, on_timeout):
 		self.countdown_left = timeout
 		self.countdown_enabled = True
@@ -540,7 +554,9 @@ class TimeoutDialog:
 			gobject.timeout_add_seconds(1, self.countdown)
 
 	def on_timeout():
-		'''To be implemented in derivated classes'''
+		"""
+		To be implemented in derivated classes
+		"""
 		pass
 
 	def countdown(self):
@@ -638,7 +654,9 @@ class ChangeStatusMessageDialog(TimeoutDialog):
 		self.dialog.show_all()
 
 	def draw_activity(self):
-		'''Set activity button'''
+		"""
+		Set activity button
+		"""
 		img = self.xml.get_widget('activity_image')
 		label = self.xml.get_widget('activity_button_label')
 		if 'activity' in self.pep_dict and self.pep_dict['activity'] in \
@@ -661,7 +679,9 @@ class ChangeStatusMessageDialog(TimeoutDialog):
 			label.set_text('')
 
 	def draw_mood(self):
-		'''Set mood button'''
+		"""
+		Set mood button
+		"""
 		img = self.xml.get_widget('mood_image')
 		label = self.xml.get_widget('mood_button_label')
 		if self.pep_dict['mood'] in pep.MOODS:
@@ -803,13 +823,17 @@ class ChangeStatusMessageDialog(TimeoutDialog):
 						 self.pep_dict['mood_text'])
 
 class AddNewContactWindow:
-	'''Class for AddNewContactWindow'''
+	"""
+	Class for AddNewContactWindow
+	"""
+
 	uid_labels = {'jabber': _('Jabber ID:'),
 				  'aim': _('AIM Address:'),
 				  'gadu-gadu': _('GG Number:'),
 				  'icq': _('ICQ Number:'),
 				  'msn': _('MSN Address:'),
 				  'yahoo': _('Yahoo! Address:')}
+
 	def __init__(self, account=None, jid=None, user_nick=None, group=None):
 		self.account = account
 		if account is None:
@@ -983,11 +1007,15 @@ _('Please fill in the data of the contact you want to add in account %s') %accou
 			self.window.destroy()
 
 	def on_cancel_button_clicked(self, widget):
-		'''When Cancel button is clicked'''
+		"""
+		When Cancel button is clicked
+		"""
 		self.window.destroy()
 
 	def on_add_button_clicked(self, widget):
-		'''When Subscribe button is clicked'''
+		"""
+		When Subscribe button is clicked
+		"""
 		jid = self.uid_entry.get_text().decode('utf-8').strip()
 		if not jid:
 			return
@@ -1111,7 +1139,10 @@ _('Please fill in the data of the contact you want to add in account %s') %accou
 			self.add_button.set_sensitive(False)
 
 class AboutDialog:
-	'''Class for about dialog'''
+	"""
+	Class for about dialog
+	"""
+	
 	def __init__(self):
 		dlg = gtk.AboutDialog()
 		dlg.set_transient_for(gajim.interface.roster.window)
@@ -1184,7 +1215,9 @@ class AboutDialog:
 		return str_[0:-1] # remove latest .
 
 	def get_path(self, filename):
-		'''where can we find this Credits file ?'''
+		"""
+		Where can we find this Credits file?
+		"""
 		if os.path.isfile(os.path.join(gajim.defs.docdir, filename)):
 			return os.path.join(gajim.defs.docdir, filename)
 		elif os.path.isfile('../' + filename):
@@ -1273,14 +1306,18 @@ class HigDialog(gtk.MessageDialog):
 		self.destroy()
 
 	def popup(self):
-		'''show dialog'''
+		"""
+		Show dialog
+		"""
 		vb = self.get_children()[0].get_children()[0] # Give focus to top vbox
 		vb.set_flags(gtk.CAN_FOCUS)
 		vb.grab_focus()
 		self.show_all()
 
 class FileChooserDialog(gtk.FileChooserDialog):
-	'''Non-blocking FileChooser Dialog around gtk.FileChooserDialog'''
+	"""
+	Non-blocking FileChooser Dialog around gtk.FileChooserDialog
+	"""
 	def __init__(self, title_text, action, buttons, default_response,
 				 select_multiple = False, current_folder = None, on_response_ok = None,
 				 on_response_cancel = None):
@@ -1332,7 +1369,10 @@ class AspellDictError:
 		gajim.config.set('use_speller', False)
 
 class ConfirmationDialog(HigDialog):
-	'''HIG compliant confirmation dialog.'''
+	"""
+	HIG compliant confirmation dialog
+	"""
+
 	def __init__(self, pritext, sectext='', on_response_ok=None,
 				 on_response_cancel=None):
 		self.user_response_ok = on_response_ok
@@ -1359,7 +1399,10 @@ class ConfirmationDialog(HigDialog):
 		self.destroy()
 
 class NonModalConfirmationDialog(HigDialog):
-	'''HIG compliant non modal confirmation dialog.'''
+	"""
+	HIG compliant non modal confirmation dialog
+	"""
+
 	def __init__(self, pritext, sectext='', on_response_ok=None,
 				 on_response_cancel=None):
 		self.user_response_ok = on_response_ok
@@ -1386,8 +1429,11 @@ class NonModalConfirmationDialog(HigDialog):
 		self.destroy()
 
 class WarningDialog(HigDialog):
+	"""
+	HIG compliant warning dialog
+	"""
+
 	def __init__(self, pritext, sectext=''):
-		'''HIG compliant warning dialog.'''
 		HigDialog.__init__( self, None,
 							gtk.MESSAGE_WARNING, gtk.BUTTONS_OK, pritext, sectext)
 		self.set_modal(False)
@@ -1396,8 +1442,11 @@ class WarningDialog(HigDialog):
 		self.popup()
 
 class InformationDialog(HigDialog):
+	"""
+	HIG compliant info dialog
+	"""
+
 	def __init__(self, pritext, sectext=''):
-		'''HIG compliant info dialog.'''
 		HigDialog.__init__(self, None,
 						   gtk.MESSAGE_INFO, gtk.BUTTONS_OK, pritext, sectext)
 		self.set_modal(False)
@@ -1405,16 +1454,22 @@ class InformationDialog(HigDialog):
 		self.popup()
 
 class ErrorDialog(HigDialog):
+	"""
+	HIG compliant error dialog
+	"""
+
 	def __init__(self, pritext, sectext=''):
-		'''HIG compliant error dialog.'''
 		HigDialog.__init__( self, None,
 							gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, pritext, sectext)
 		self.popup()
 
 class YesNoDialog(HigDialog):
+	"""
+	HIG compliant YesNo dialog
+	"""
+
 	def __init__(self, pritext, sectext='', checktext='', on_response_yes=None,
-				 on_response_no=None):
-		'''HIG compliant YesNo dialog.'''
+			on_response_no=None):
 		self.user_response_yes = on_response_yes
 		self.user_response_no = on_response_no
 		HigDialog.__init__( self, None,
@@ -1448,15 +1503,20 @@ class YesNoDialog(HigDialog):
 		self.destroy()
 
 	def is_checked(self):
-		''' Get active state of the checkbutton '''
+		"""
+		Get active state of the checkbutton
+		"""
 		if not self.checkbutton:
 			return False
 		return self.checkbutton.get_active()
 
 class ConfirmationDialogCheck(ConfirmationDialog):
-	'''HIG compliant confirmation dialog with checkbutton.'''
-	def __init__(self, pritext, sectext='', checktext='',
-				 on_response_ok=None, on_response_cancel=None, is_modal=True):
+	"""
+	HIG compliant confirmation dialog with checkbutton
+	"""
+
+	def __init__(self, pritext, sectext='', checktext='', on_response_ok=None,
+			on_response_cancel=None, is_modal=True):
 		self.user_response_ok = on_response_ok
 		self.user_response_cancel = on_response_cancel
 
@@ -1495,11 +1555,16 @@ class ConfirmationDialogCheck(ConfirmationDialog):
 		self.destroy()
 
 	def is_checked(self):
-		''' Get active state of the checkbutton '''
+		"""
+		Get active state of the checkbutton
+		"""
 		return self.checkbutton.get_active()
 
 class ConfirmationDialogDubbleCheck(ConfirmationDialog):
-	'''HIG compliant confirmation dialog with 2 checkbuttons.'''
+	"""
+	HIG compliant confirmation dialog with 2 checkbuttons
+	"""
+
 	def __init__(self, pritext, sectext='', checktext1='', checktext2='',
 				 on_response_ok=None, on_response_cancel=None, is_modal=True):
 		self.user_response_ok = on_response_ok
@@ -1560,7 +1625,10 @@ class ConfirmationDialogDubbleCheck(ConfirmationDialog):
 		return [is_checked_1, is_checked_2]
 
 class FTOverwriteConfirmationDialog(ConfirmationDialog):
-	'''HIG compliant confirmation dialog to overwrite or resume a file transfert'''
+	"""
+	HIG compliant confirmation dialog to overwrite or resume a file transfert
+	"""
+
 	def __init__(self, pritext, sectext='', propose_resume=True,
 				 on_response=None):
 		HigDialog.__init__(self, None, gtk.MESSAGE_QUESTION, gtk.BUTTONS_CANCEL,
@@ -1597,7 +1665,10 @@ class FTOverwriteConfirmationDialog(ConfirmationDialog):
 		self.destroy()
 
 class CommonInputDialog:
-	'''Common Class for Input dialogs'''
+	"""
+	Common Class for Input dialogs
+	"""
+	
 	def __init__(self, title, label_str, is_modal, ok_handler, cancel_handler):
 		self.dialog = self.xml.get_widget('input_dialog')
 		label = self.xml.get_widget('label')
@@ -1633,9 +1704,12 @@ class CommonInputDialog:
 		self.dialog.destroy()
 
 class InputDialog(CommonInputDialog):
-	'''Class for Input dialog'''
+	"""
+	Class for Input dialog
+	"""
+
 	def __init__(self, title, label_str, input_str=None, is_modal=True,
-	ok_handler=None, cancel_handler=None):
+			ok_handler=None, cancel_handler=None):
 		self.xml = gtkgui_helpers.get_glade('input_dialog.glade')
 		CommonInputDialog.__init__(self, title, label_str, is_modal, ok_handler,
 			cancel_handler)
@@ -1651,9 +1725,12 @@ class InputDialog(CommonInputDialog):
 		return self.input_entry.get_text().decode('utf-8')
 
 class InputDialogCheck(InputDialog):
-	'''Class for Input dialog'''
+	"""
+	Class for Input dialog
+	"""
+
 	def __init__(self, title, label_str, checktext='', input_str=None,
-	is_modal=True, ok_handler=None, cancel_handler=None):
+			is_modal=True, ok_handler=None, cancel_handler=None):
 		self.xml = gtkgui_helpers.get_glade('input_dialog.glade')
 		InputDialog.__init__(self, title, label_str, input_str=input_str,
 			is_modal=is_modal, ok_handler=ok_handler,
@@ -1683,7 +1760,9 @@ class InputDialogCheck(InputDialog):
 		return self.input_entry.get_text().decode('utf-8')
 
 	def is_checked(self):
-		''' Get active state of the checkbutton '''
+		"""
+		Get active state of the checkbutton
+		"""
 		try:
 			return self.checkbutton.get_active()
 		except Exception:
@@ -1691,7 +1770,10 @@ class InputDialogCheck(InputDialog):
 			return False
 
 class ChangeNickDialog(InputDialogCheck):
-	'''Class for changing room nickname in case of conflict'''
+	"""
+	Class for changing room nickname in case of conflict
+	"""
+
 	def __init__(self, account, room_jid, title, prompt, check_text=None):
 		InputDialogCheck.__init__(self, title, '', checktext=check_text,
 			input_str='', is_modal=True, ok_handler=None, cancel_handler=None)
@@ -1773,7 +1855,10 @@ class ChangeNickDialog(InputDialogCheck):
 			self.room_queue.append((account, room_jid, prompt))
 
 class InputTextDialog(CommonInputDialog):
-	'''Class for multilines Input dialog (more place than InputDialog)'''
+	"""
+	Class for multilines Input dialog (more place than InputDialog)
+	"""
+
 	def __init__(self, title, label_str, input_str=None, is_modal=True,
 				 ok_handler=None, cancel_handler=None):
 		self.xml = gtkgui_helpers.get_glade('input_text_dialog.glade')
@@ -1790,7 +1875,10 @@ class InputTextDialog(CommonInputDialog):
 		return self.input_buffer.get_text(start_iter, end_iter).decode('utf-8')
 
 class DubbleInputDialog:
-	'''Class for Dubble Input dialog'''
+	"""
+	Class for Dubble Input dialog
+	"""
+
 	def __init__(self, title, label_str1, label_str2, input_str1=None,
 				 input_str2=None, is_modal=True, ok_handler=None, cancel_handler=None):
 		self.xml = gtkgui_helpers.get_glade('dubbleinput_dialog.glade')
@@ -1876,7 +1964,9 @@ class SubscriptionRequestWindow:
 		self.window.destroy()
 
 	def on_authorize_button_clicked(self, widget):
-		'''accept the request'''
+		"""
+		Accept the request
+		"""
 		gajim.connections[self.account].send_authorization(self.jid)
 		self.window.destroy()
 		contact = gajim.contacts.get_contact(self.account, self.jid)
@@ -1884,7 +1974,9 @@ class SubscriptionRequestWindow:
 			AddNewContactWindow(self.account, self.jid, self.user_nick)
 
 	def on_contact_info_activate(self, widget):
-		'''ask vcard'''
+		"""
+		Ask vcard
+		"""
 		if self.jid in gajim.interface.instances[self.account]['infos']:
 			gajim.interface.instances[self.account]['infos'][self.jid].window.present()
 		else:
@@ -1896,11 +1988,15 @@ class SubscriptionRequestWindow:
 				 get_widget('information_notebook').remove_page(0)
 
 	def on_start_chat_activate(self, widget):
-		'''open chat'''
+		"""
+		Open chat
+		"""
 		gajim.interface.new_chat_from_jid(self.account, self.jid)
 
 	def on_deny_button_clicked(self, widget):
-		'''refuse the request'''
+		"""
+		Refuse the request
+		"""
 		gajim.connections[self.account].refuse_authorization(self.jid)
 		contact = gajim.contacts.get_contact(self.account, self.jid)
 		if contact and _('Not in Roster') in contact.get_shown_groups():
@@ -1908,7 +2004,9 @@ class SubscriptionRequestWindow:
 		self.window.destroy()
 
 	def on_actions_button_clicked(self, widget):
-		'''popup action menu'''
+		"""
+		Popup action menu
+		"""
 		menu = self.prepare_popup_menu()
 		menu.show_all()
 		gtkgui_helpers.popup_emoticons_under_button(menu, widget, self.window.window)
@@ -1916,11 +2014,12 @@ class SubscriptionRequestWindow:
 
 class JoinGroupchatWindow:
 	def __init__(self, account=None, room_jid='', nick='', password='',
-				 automatic=False):
-		'''automatic is a dict like {'invities': []}
-		If automatic is not empty, this means room must be automaticaly configured
-		and when done, invities must be automatically invited'''
-
+			automatic=False):
+		"""
+		Automatic is a dict like {'invities': []}. If automatic is not empty,
+		this means room must be automaticaly configured and when done, invities
+		must be automatically invited
+		"""
 		if account:
 			if room_jid != '' and room_jid in gajim.gc_connected[account] and\
 		   gajim.gc_connected[account][room_jid]:
@@ -2007,7 +2106,9 @@ class JoinGroupchatWindow:
 		self.window.show_all()
 
 	def on_join_groupchat_window_destroy(self, widget):
-		'''close window'''
+		"""
+		Close window
+		"""
 		if self.account and 'join_gc' in gajim.interface.instances[self.account]:
 			# remove us from open windows
 			del gajim.interface.instances[self.account]['join_gc']
@@ -2039,7 +2140,9 @@ class JoinGroupchatWindow:
 		self._room_jid_entry.set_text(room_jid)
 
 	def on_cancel_button_clicked(self, widget):
-		'''When Cancel button is clicked'''
+		"""
+		When Cancel button is clicked
+		"""
 		self.window.destroy()
 
 	def on_bookmark_checkbutton_toggled(self, widget):
@@ -2050,7 +2153,9 @@ class JoinGroupchatWindow:
 			auto_join_checkbutton.set_sensitive(False)
 
 	def on_join_button_clicked(self, widget):
-		'''When Join button is clicked'''
+		"""
+		When Join button is clicked
+		"""
 		if not self.account:
 			ErrorDialog(_('Invalid Account'),
 				_('You have to choose an account from which you want to join the '
@@ -2138,7 +2243,9 @@ class SynchroniseSelectAccountDialog:
 			self.window.destroy()
 
 	def init_accounts(self):
-		'''initialize listStore with existing accounts'''
+		"""
+		Initialize listStore with existing accounts
+		"""
 		model = self.accounts_treeview.get_model()
 		model.clear()
 		for remote_account in gajim.connections:
@@ -2204,7 +2311,9 @@ class SynchroniseSelectContactsDialog:
 			self.window.destroy()
 
 	def init_contacts(self):
-		'''initialize listStore with existing accounts'''
+		"""
+		Initialize listStore with existing accounts
+		"""
 		model = self.contacts_treeview.get_model()
 		model.clear()
 
@@ -2267,7 +2376,9 @@ class NewChatDialog(InputDialog):
 		self.dialog.show_all()
 
 	def new_chat_response(self, jid):
-		''' called when ok button is clicked '''
+		"""
+		Called when ok button is clicked
+		"""
 		if gajim.connections[self.account].connected <= 1:
 			#if offline or connecting
 			ErrorDialog(_('Connection not available'),
@@ -2433,10 +2544,10 @@ class PopupNotificationWindow:
 		self.adjust_height_and_move_popup_notification_windows()
 
 class SingleMessageWindow:
-	'''SingleMessageWindow can send or show a received
-	singled message depending on action argument which can be 'send'
-	or 'receive'.
-	'''
+	"""
+	SingleMessageWindow can send or show a received singled message depending on
+	action argument which can be 'send' or 'receive'
+	"""
 	# Keep a reference on windows so garbage collector don't restroy them
 	instances = []
 	def __init__(self, account, to='', action='', from_whom='', subject='',
@@ -2847,9 +2958,12 @@ class XMLConsoleWindow:
 TRANSLATED_ACTION = {'add': _('add'), 'modify': _('modify'),
 	'remove': _('remove')}
 class RosterItemExchangeWindow:
-	''' Windows used when someone send you a exchange contact suggestion '''
+	"""
+	Windows used when someone send you a exchange contact suggestion
+	"""
+
 	def __init__(self, account, action, exchange_list, jid_from,
-	message_body=None):
+			message_body=None):
 		self.account = account
 		self.action = action
 		self.exchange_list = exchange_list
@@ -3067,8 +3181,10 @@ class RosterItemExchangeWindow:
 
 
 class PrivacyListWindow:
-	'''Window that is used for creating NEW or EDITING already there privacy
-	lists'''
+	"""
+	Window that is used for creating NEW or EDITING already there privacy lists
+	"""
+
 	def __init__(self, account, privacy_list_name, action):
 		'''action is 'EDIT' or 'NEW' depending on if we create a new priv list
 		or edit an already existing one'''
@@ -3406,9 +3522,10 @@ class PrivacyListWindow:
 		self.window.destroy()
 
 class PrivacyListsWindow:
-	'''Window that is the main window for Privacy Lists;
-	we can list there the privacy lists and ask to create a new one
-	or edit an already there one'''
+	"""
+	Window that is the main window for Privacy Lists; we can list there the
+	privacy lists and ask to create a new one or edit an already there one
+	"""
 	def __init__(self, account):
 		self.account = account
 		self.privacy_lists_save = []
@@ -3565,9 +3682,10 @@ class InvitationReceivedDialog:
 
 class ProgressDialog:
 	def __init__(self, title_text, during_text, messages_queue):
-		'''during text is what to show during the procedure,
-		messages_queue has the message to show
-		in the textview'''
+		"""
+		During text is what to show during the procedure, messages_queue has the
+		message to show in the textview
+		"""
 		self.xml = gtkgui_helpers.get_glade('progress_dialog.glade')
 		self.dialog = self.xml.get_widget('progress_dialog')
 		self.label = self.xml.get_widget('label')
@@ -3594,10 +3712,14 @@ class ProgressDialog:
 
 class SoundChooserDialog(FileChooserDialog):
 	def __init__(self, path_to_snd_file='', on_response_ok=None,
-				 on_response_cancel=None):
-		'''optionally accepts path_to_snd_file so it has that as selected'''
+			on_response_cancel=None):
+		"""
+		Optionally accepts path_to_snd_file so it has that as selected
+		"""
 		def on_ok(widget, callback):
-			'''check if file exists and call callback'''
+			"""
+			Check if file exists and call callback
+			"""
 			path_to_snd_file = self.get_filename()
 			path_to_snd_file = gtkgui_helpers.decode_filechooser_file_paths(
 				(path_to_snd_file,))[0]
@@ -3633,8 +3755,10 @@ class SoundChooserDialog(FileChooserDialog):
 
 class ImageChooserDialog(FileChooserDialog):
 	def __init__(self, path_to_file='', on_response_ok=None,
-				 on_response_cancel=None):
-		'''optionally accepts path_to_snd_file so it has that as selected'''
+			on_response_cancel=None):
+		"""
+		Optionally accepts path_to_snd_file so it has that as selected
+		"""
 		def on_ok(widget, callback):
 			'''check if file exists and call callback'''
 			path_to_file = self.get_filename()
@@ -3725,8 +3849,10 @@ class AvatarChooserDialog(ImageChooserDialog):
 
 class AddSpecialNotificationDialog:
 	def __init__(self, jid):
-		'''jid is the jid for which we want to add special notification
-		(sound and notification popups)'''
+		"""
+		jid is the jid for which we want to add special notification (sound and
+		notification popups)
+		"""
 		self.xml = gtkgui_helpers.get_glade('add_special_notification_window.glade')
 		self.window = self.xml.get_widget('add_special_notification_window')
 		self.condition_combobox = self.xml.get_widget('condition_combobox')
@@ -3846,7 +3972,9 @@ class AdvancedNotificationsWindow:
 		self.window.show_all()
 
 	def initiate_rule_state(self):
-		'''Set values for all widgets'''
+		"""
+		Set values for all widgets
+		"""
 		if self.active_num < 0:
 			return
 		# event
@@ -4237,8 +4365,10 @@ class TransformChatToMUC:
 	# Keep a reference on windows so garbage collector don't restroy them
 	instances = []
 	def __init__(self, account, jids, preselected=None):
-		'''This window is used to trasform a one-to-one chat to a MUC.
-		We do 2 things: first select the server and then make a guests list.'''
+		"""
+		This window is used to trasform a one-to-one chat to a MUC. We do 2
+		things: first select the server and then make a guests list
+		"""
 
 		self.instances.append(self)
 		self.account = account
@@ -4389,7 +4519,9 @@ class DataFormWindow(Dialog):
 		self.destroy()
 
 class ESessionInfoWindow:
-	'''Class for displaying information about a XEP-0116 encrypted session'''
+	"""
+	Class for displaying information about a XEP-0116 encrypted session
+	"""
 	def __init__(self, session):
 		self.session = session
 
@@ -4468,7 +4600,9 @@ class ESessionInfoWindow:
 		YesNoDialog(pritext, sectext, on_response_yes=on_yes, on_response_no=on_no)
 
 class GPGInfoWindow:
-	'''Class for displaying information about a XEP-0116 encrypted session'''
+	"""
+	Class for displaying information about a XEP-0116 encrypted session
+	"""
 	def __init__(self, control):
 		xml = gtkgui_helpers.get_glade('esession_info_window.glade')
 		security_image = xml.get_widget('security_image')