diff --git a/src/common/jingle_content.py b/src/common/jingle_content.py
index 4f0ae0b1d..703f1a054 100644
--- a/src/common/jingle_content.py
+++ b/src/common/jingle_content.py
@@ -21,8 +21,6 @@ def get_jingle_content(node):
 	namespace = node.getNamespace()
 	if namespace in contents:
 		return contents[namespace](node)
-	else:
-		return None
 
 
 class JingleContent(object):
@@ -74,7 +72,7 @@ class JingleContent(object):
 		}
 
 	def is_ready(self):
-		return (self.accepted and not self.sent)
+		return self.accepted and not self.sent
 
 	def add_remote_candidates(self, candidates):
 		"""
diff --git a/src/common/jingle_rtp.py b/src/common/jingle_rtp.py
index 78b8c23dd..a1a906e3e 100644
--- a/src/common/jingle_rtp.py
+++ b/src/common/jingle_rtp.py
@@ -182,7 +182,9 @@ class JingleRTPContent(JingleContent):
 			self.session.content_negociated(self.media)
 
 	def __on_remote_codecs(self, stanza, content, error, action):
-		''' Get peer codecs from what we get from peer. '''
+		"""
+		Get peer codecs from what we get from peer
+		"""
 		if self.got_codecs:
 			return
 
@@ -198,7 +200,7 @@ class JingleRTPContent(JingleContent):
 				codec.iterTags('parameter')]
 			codecs.append(c)
 
-		if len(codecs) > 0:
+		if codecs:
 			# FIXME: Handle this case:
 			# glib.GError: There was no intersection between the remote codecs and
 			# the local ones
@@ -216,7 +218,8 @@ class JingleRTPContent(JingleContent):
 			if codec.optional_params:
 				payload = (xmpp.Node('parameter', {'name': name, 'value': value})
 					for name, value in codec.optional_params)
-			else:	payload = ()
+			else:
+				payload = ()
 			yield xmpp.Node('payload-type', attrs, payload)
 
 	def __stop(self, *things):
@@ -319,7 +322,5 @@ def get_content(desc):
 		return JingleAudio
 	elif desc['media'] == 'video':
 		return JingleVideo
-	else:
-		return None
 
 contents[xmpp.NS_JINGLE_RTP] = get_content
diff --git a/src/common/jingle_session.py b/src/common/jingle_session.py
index d6f090fce..5fcc19029 100644
--- a/src/common/jingle_session.py
+++ b/src/common/jingle_session.py
@@ -154,7 +154,7 @@ class JingleSession(object):
 
 	def get_content(self, media=None):
 		if media is None:
-			return None
+			return
 
 		for content in self.contents.values():
 			if content.media == media:
@@ -353,7 +353,7 @@ class JingleSession(object):
 	def __on_session_info(self, stanza, jingle, error, action):
 		# TODO: ringing, active, (un)hold, (un)mute
 		payload = jingle.getPayload()
-		if len(payload) > 0:
+		if payload:
 			self.__send_error(stanza, 'feature-not-implemented', 'unsupported-info')
 			raise xmpp.NodeProcessed
 
@@ -367,7 +367,7 @@ class JingleSession(object):
 				self.connection.dispatch('JINGLE_DISCONNECTED',
 					(self.peerjid, self.sid, content.media, 'removed'))
 				content.destroy()
-		if len(self.contents) == 0:
+		if not self.contents:
 			reason = xmpp.Node('reason')
 			reason.setTag('success')
 			self._session_terminate(reason)
@@ -469,7 +469,8 @@ class JingleSession(object):
 		if text:
 			text = '%s (%s)' % (reason, text)
 		else:
-			text = reason#TODO
+			# TODO
+			text = reason
 		self.connection.dispatch('JINGLE_DISCONNECTED',
 			(self.peerjid, self.sid, None, text))
 
@@ -481,7 +482,7 @@ class JingleSession(object):
 			content.on_stanza(stanza, None, error, action)
 
 	def __parse_contents(self, jingle):
-		#TODO: Needs some reworking
+		# TODO: Needs some reworking
 		contents = []
 		contents_rejected = []
 		contents_ok = False
diff --git a/src/common/jingle_transport.py b/src/common/jingle_transport.py
index 888f6e473..17eed2653 100644
--- a/src/common/jingle_transport.py
+++ b/src/common/jingle_transport.py
@@ -23,8 +23,6 @@ def get_jingle_transport(node):
 	namespace = node.getNamespace()
 	if namespace in transports:
 		return transports[namespace]()
-	else:
-		return None
 
 
 class TransportType(object):