Handle improper 1000 closures by Discord

Signed-off-by: Quintenvw <[email protected]>

Author: Quintenvw

discord/gateway.py

@@ -587,8 +587,10 @@ def latency(self) -> float:
 
     def _can_handle_close(self):
         code = self._close_code or self.socket.close_code
-        return code not in (1000, 4004, 4010, 4011, 4012, 4013, 4014)
-
+        is_improper_close = self._close_code is None and self.socket.close_code == 1000
+        return is_improper_close or code not in (1000, 4004, 4010, 4011, 4012, 4013, 4014)
+    
+    
     async def poll_event(self):
         """Polls for a DISPATCH event and handles the general gateway loop.