fix stop_poll

Author: MarsBatya

pyrogram/methods/messages/stop_poll.py

@@ -65,10 +65,11 @@ async def stop_poll(
                 media=raw.types.InputMediaPoll(
                     poll=raw.types.Poll(
                         id=int(poll.id),
-                        closed=True,
                         question=raw.types.TextWithEntities(text="", entities=[]),
                         answers=[]
-                    )
+                        hash=0,
+                        closed=True,
+                    ),
                 ),
                 reply_markup=await reply_markup.write(self) if reply_markup else None
             )