Handle broadcasts to zero clients

Fixes #88
miguelgrinberg · Mar 28, 2017 · af0004d · af0004d
1 parent 0f0d635
commit af0004d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/socketio/asyncio_manager.py b/socketio/asyncio_manager.py
@@ -23,7 +23,8 @@ async def emit(self, event, data, namespace, room=None, skip_sid=None,
                     id = None
                 tasks.append(self.server._emit_internal(sid, event, data,
                                                         namespace, id))
-        await asyncio.wait(tasks)
+        if tasks != []:
+            await asyncio.wait(tasks)
 
     async def close_room(self, room, namespace):
         """Remove all participants from a room.