diff --git a/gajim/command_system/framework.py b/gajim/command_system/framework.py
index a7ade6344..0dfdbaa9f 100644
--- a/gajim/command_system/framework.py
+++ b/gajim/command_system/framework.py
@@ -215,7 +215,7 @@ class Command:
         Extract handler's arguments specification, as it was defined
         preserving their order.
         """
-        names, var_args, var_kwargs, defaults = getargspec(self.handler)
+        names, var_args, var_kwargs, defaults = getargspec(self.handler)  # pylint: disable=W1505
 
         # Behavior of this code need to be checked. Might yield
         # incorrect results on some rare occasions.
diff --git a/gajim/common/config.py b/gajim/common/config.py
index 9814917b2..efe1237d5 100644
--- a/gajim/common/config.py
+++ b/gajim/common/config.py
@@ -48,7 +48,7 @@ class Option(IntEnum):
 opt_int = ['integer', 0]
 opt_str = ['string', 0]
 opt_bool = ['boolean', 0]
-opt_color = ['color', '^(#[0-9a-fA-F]{6})|()|rgb\(\d+,\d+,\d+\)|rgba\(\d+,\d+,\d+,[01]\.?\d*\)$']
+opt_color = ['color', r'(#[0-9a-fA-F]{6})|rgb\(\d+,\d+,\d+\)|rgba\(\d+,\d+,\d+,[01]\.?\d*\)']
 opt_one_window_types = ['never', 'always', 'always_with_roster', 'peracct', 'pertype']
 opt_show_roster_on_startup = ['always', 'never', 'last_state']
 opt_treat_incoming_messages = ['', 'chat', 'normal']
diff --git a/gajim/common/optparser.py b/gajim/common/optparser.py
index 452c13d16..93bb88797 100644
--- a/gajim/common/optparser.py
+++ b/gajim/common/optparser.py
@@ -59,7 +59,7 @@ class OptionsParser:
         for line in fd:
             match = regex.match(line)
             if match is None:
-                log.warn('Invalid configuration line, ignoring it: %s', line)
+                log.warning('Invalid configuration line, ignoring it: %s', line)
                 continue
             optname, key, subname, value = match.groups()
             if key is None:
diff --git a/gajim/common/zeroconf/zeroconf_bonjour.py b/gajim/common/zeroconf/zeroconf_bonjour.py
index 03e5171c0..29a2405fc 100644
--- a/gajim/common/zeroconf/zeroconf_bonjour.py
+++ b/gajim/common/zeroconf/zeroconf_bonjour.py
@@ -121,7 +121,7 @@ class Zeroconf:
                     }
 
         # Split on '.' but do not split on '\.'
-        result = re.split('(?<!\\\\)\.', fullname)
+        result = re.split(r'(?<!\\\\)\.', fullname)
         name = result[0]
         protocol, domain = result[2:4]
 
diff --git a/gajim/dataforms_widget.py b/gajim/dataforms_widget.py
index c9fc8719e..c8e313f5c 100644
--- a/gajim/dataforms_widget.py
+++ b/gajim/dataforms_widget.py
@@ -428,12 +428,12 @@ class SingleForm(Gtk.Table):
                         widget.set_sensitive(readwrite)
                 else:
                     # more than 5 options: show combobox
-                    def on_list_multi_treeview_changed(selection, f):
-                        def for_selected(treemodel, path, iter_):
+                    def on_list_multi_treeview_changed(selection, field_):
+                        def for_selected(treemodel, _path, iter_):
                             vals.append(treemodel[iter_][1])
                         vals = []
                         selection.selected_foreach(for_selected)
-                        field.values = vals[:]
+                        field_.values = vals[:]
                     widget = Gtk.ScrolledWindow()
                     widget.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
                     tv = gtkgui_helpers.create_list_multi(field.options,
diff --git a/gajim/dialogs.py b/gajim/dialogs.py
index ee9418de5..1dc8977e5 100644
--- a/gajim/dialogs.py
+++ b/gajim/dialogs.py
@@ -104,6 +104,7 @@ class EditGroupsDialog:
                 account, [group])
 
         # FIXME: Ugly workaround.
+        # pylint: disable=undefined-loop-variable
         app.interface.roster.draw_group(_('General'), account)
 
     def add_group(self, group):
@@ -116,6 +117,7 @@ class EditGroupsDialog:
 
         # FIXME: Ugly workaround.
         # Maybe we haven't been in any group (defaults to General)
+        # pylint: disable=undefined-loop-variable
         app.interface.roster.draw_group(_('General'), account)
 
     def on_add_button_clicked(self, widget):
@@ -1692,17 +1694,15 @@ class VoIPCallReceivedDialog:
                         out_xid = ctrl.xml.get_object('outgoing_drawingarea').\
                             get_property('window').get_xid()
                     b = content.src_bin
-                    found = False
                     for e in b.children:
-                        if e.get_name().startswith('autovideosink'):
-                            found = True
-                            break
-                    if found:
+                        if not e.get_name().startswith('autovideosink'):
+                            continue
                         for f in e.children:
                             if f.get_name().startswith('autovideosink'):
                                 f.set_window_handle(out_xid)
                                 content.out_xid = out_xid
                                 break
+                        break
                 content.in_xid = in_xid
                 ctrl.set_video_state('connecting', self.sid)
             # Now, accept the content/sessions.