Some minor fixes and cleanups.

evennia/server/portal/portalsessionhandler.py

@@ -320,7 +320,7 @@ class PortalSessionHandler(SessionHandler):
 
         """
         return [sess for sess in self.get_sessions(include_unloggedin=True)
-                if hasattr(sess, 'csessid') and sess.csessid == csessid]
+                if hasattr(sess, 'csessid') and sess.csessid and sess.csessid == csessid]
 
     def announce_all(self, message):
         """

evennia/server/portal/webclient.py

@@ -93,7 +93,6 @@ class WebSocketClient(Protocol, Session):
         self.sessionhandler.disconnect(self)
         self.transport.close()
 
-
     def dataReceived(self, string):
         """
         Method called when data is coming in over the websocket
@@ -128,7 +127,7 @@ class WebSocketClient(Protocol, Session):
         Notes:
             At initilization, the client will send the special
             'csessid' command to identify its browser session hash
-            with the Evennia side.
+           witherthe Evennia side.
 
             The websocket client will also pass 'websocket_close' command
             to report that the client has been closed and that the

evennia/web/utils/backends.py

@@ -28,7 +28,7 @@ class CaseInsensitiveModelBackend(ModelBackend):
           return autologin
       else:
           # In this case .backend will be assigned automatically
-          # somewhere along the # way.
+          # somewhere along the way.
           Player = get_user_model()
           try:
             player = Player.objects.get(username__iexact=username)