Try and fix linting issues

discord/voice_client.py

@@ -287,7 +287,7 @@ class VoiceClient(VoiceProtocol):
     @property
     def voice_privacy_code(self) -> Optional[str]:
         """:class:`str`: Get the voice privacy code of this E2EE session's group.
-        
+
         A new privacy code is created and cached each time a new transition is executed.
         This can be None if there is no active DAVE session happening.
         """

discord/voice_state.py

@@ -276,7 +276,7 @@ class VoiceConnectionState:
         if self.dave_protocol_version > 0:
             if not has_dave:
                 raise RuntimeError('davey library needed in order to use E2EE voice')
-            if self.dave_session:
+            if self.dave_session is not None:
                 self.dave_session.reinit(self.dave_protocol_version, self.user.id, self.voice_client.channel.id)
             else:
                 self.dave_session = davey.DaveSession(self.dave_protocol_version, self.user.id, self.voice_client.channel.id)