code: def _pipe_connection_lost(self, fd, exc):
      self._call(self._protocol.pipe_connection_lost, fd, exc)
      self._try_finish()
  
imports: import collections
  import subprocess
  import warnings
  from .None import protocols
  from .None import transports
  from .log import logger
label_desc: Use image node_id 17 for calling the BaseSubprocessTransport obj's underlying member method code with example usage: obj._pipe_connection_lost(fd, exc) without return types