(self, fd, exc)
Called when a file descriptor associated with the child process is
        closed.

        fd is the int file descriptor that was closed.
Called when a file descriptor associated with the child process is
        closed.
Called when a file descriptor associated with the child process is closed .
def pipe_connection_lost(self, fd, exc):
        """Called when a file descriptor associated with the child process is
        closed.

        fd is the int file descriptor that was closed.
        """
def pipe_connection_lost ( self , fd , exc ) :