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