parameters: (self, exc)
docstring: Called when the connection is lost or closed.
  
          The argument is an exception object or None (the latter
          meaning a regular EOF is received or the connection was
          aborted or closed).
docstring_summary: Called when the connection is lost or closed.
docstring_tokens: Called when the connection is lost or closed .
function: def connection_lost(self, exc):
          """Called when the connection is lost or closed.
  
          The argument is an exception object or None (the latter
          meaning a regular EOF is received or the connection was
          aborted or closed).
          """
function_tokens: def connection_lost ( self , exc ) :