(self)
return self._internal_poll()
Check if child process has terminated. Set and return returncode
        attribute.
Check if child process has terminated. Set and return returncode
        attribute.
Check if child process has terminated . Set and return returncode attribute .
def poll(self):
        """Check if child process has terminated. Set and return returncode
        attribute."""
        return self._internal_poll()
def poll ( self ) : return self . _internal_poll ( )