use anonymous user when no user has been set

dasf_broker/consumers.py

@@ -53,8 +53,12 @@ class TopicProducer(JsonWebsocketConsumer):
     def connect(self):
         from guardian.shortcuts import get_anonymous_user
 
-        user = self.scope["user"]
-        self.user = get_anonymous_user() if user.is_anonymous else user
+        try:
+            user = self.scope["user"]
+        except KeyError:
+            user = get_anonymous_user()
+        else:
+            self.user = get_anonymous_user() if user.is_anonymous else user
         self.dasf_topic_slug = self.scope["url_route"]["kwargs"]["slug"]
 
         self.accept()
@@ -132,8 +136,12 @@ class TopicConsumer(JsonWebsocketConsumer):
 
         from guardian.shortcuts import get_anonymous_user
 
-        user = self.scope["user"]
-        self.user = get_anonymous_user() if user.is_anonymous else user
+        try:
+            user = self.scope["user"]
+        except KeyError:
+            user = get_anonymous_user()
+        else:
+            self.user = get_anonymous_user() if user.is_anonymous else user
         self.dasf_topic_slug = slug = self.scope["url_route"]["kwargs"]["slug"]
         self.room_group_name = f"dasf_topic_{slug}"