Fix event loop not being passed into many asyncio calls

telethon/tl/core/messagecontainer.py

@@ -43,5 +43,5 @@ class MessageContainer(TLObject):
             before = reader.tell_position()
             obj = reader.tgread_object()  # May over-read e.g. RpcResult
             reader.set_position(before + length)
-            messages.append(TLMessage(msg_id, seq_no, obj))
+            messages.append(TLMessage(msg_id, seq_no, obj, loop=None))
         return MessageContainer(messages)

telethon/tl/core/tlmessage.py

@@ -24,10 +24,13 @@ class TLMessage(TLObject):
     sent `TLMessage`, and this result can be represented as a `Future`
     that will eventually be set with either a result, error or cancelled.
     """
-    def __init__(self, msg_id, seq_no, obj, out=False, after_id=0):
+    def __init__(self, msg_id, seq_no, obj, *, loop, out=False, after_id=0):
         self.obj = obj
         self.container_msg_id = None
-        self.future = asyncio.Future()
+
+        # If no loop is given then it is an incoming message.
+        # Only outgoing messages need the future to await them.
+        self.future = asyncio.Future(loop=loop) if loop else None
 
         # After which message ID this one should run. We do this so
         # InvokeAfterMsgRequest is transparent to the user and we can

telethon/tl/custom/conversation.py

@@ -181,7 +181,7 @@ class Conversation(ChatGetter):
                 return incoming
 
         # Otherwise the next incoming response will be the one to use
-        future = asyncio.Future()
+        future = asyncio.Future(loop=self._client.loop)
         pending[target_id] = future
         return self._get_result(future, start_time, timeout)
 
@@ -209,7 +209,7 @@ class Conversation(ChatGetter):
             return earliest_edit
 
         # Otherwise the next incoming response will be the one to use
-        future = asyncio.Future()
+        future = asyncio.Future(loop=self._client.loop)
         self._pending_edits[target_id] = future
         return await self._get_result(future, start_time, timeout)
 
@@ -220,7 +220,7 @@ class Conversation(ChatGetter):
         will also trigger even without a response.
         """
         start_time = time.time()
-        future = asyncio.Future()
+        future = asyncio.Future(loop=self._client.loop)
         target_id = self._get_message_id(message)
 
         if self._last_read is None:
@@ -265,7 +265,7 @@ class Conversation(ChatGetter):
         counter = Conversation._custom_counter
         Conversation._custom_counter += 1
 
-        future = asyncio.Future()
+        future = asyncio.Future(loop=self._client.loop)
         async def result():
             try:
                 return await self._get_result(future, start_time, timeout)