fixing _close

Author: 0xfMissingNo

alpaca_trade_api/stream.py

@@ -655,10 +655,9 @@ def run(self):
             pass
 
     async def _close(self):
-        tasks = (task for task in 
-        (self.stop_ws(), self._trading_ws.close(), self._data_ws.close(), self._crypto_ws.close())
-        )
-        await asyncio.gather(*tasks)
+        await self._trading_ws.close()
+        await self._data_ws.close()
+        await self._crypto_ws.close()
 
     def close(self):
         loop = asyncio.get_event_loop()