Fix issue where the socket doesn't get forgotten and causes 100% load.

gbulb/transports.py

@@ -72,7 +72,7 @@ def _force_close_async(self, exc):
  self._protocol.connection_lost(exc)
  finally:
  if self._sock is not None:
- self._sock.close()
+ self._sock.detach()
  self._sock = None
  if self._server is not None:
  self._server._detach()