(self)
If all of the feed's episodes have the same language, return it,
        otherwise return an empty string
If all of the feed's episodes have the same language, return it,
        otherwise return an empty string
If all of the feed s episodes have the same language return it otherwise return an empty string
def language(self):
        """
        If all of the feed's episodes have the same language, return it,
        otherwise return an empty string
        """
        l = list(set([x.language for x in self.get_episodes() if x.language]))
        if len(l) == 1:
            return l[0]
        else:
            return ""
def language ( self ) : l = list ( set ( [ x . language for x in self . get_episodes ( ) if x . language ] ) ) if len ( l ) == 1 : return l [ 0 ] else : return ""