(self)
return self.get_module().get_filename()
@rtype:  None or str
        @return: Filename of the main module.
            C{None} if the filename is unknown.
def get_filename(self):
        """
        @rtype:  None or str
        @return: Filename of the main module.
            C{None} if the filename is unknown.
        """
        return self.get_module().get_filename()
def get_filename ( self ) : return self . get_module ( ) . get_filename ( )