(self, old_path, new_path)
Returns a count of number of changes made.
            Should rename each item returned by all_media.
Returns a count of number of changes made.
            Should rename each item returned by all_media.
Returns a count of number of changes made . Should rename each item returned by all_media .
def rename_media(self, old_path, new_path):
        """
            Returns a count of number of changes made.
            Should rename each item returned by all_media.
        """
        raise NotImplementedError
def rename_media ( self , old_path , new_path ) : raise NotImplementedError