def check(self):
if not self.is_valid:<EOL><INDENT>return True<EOL><DEDENT>test = (self.has_quorum, self.has_quorum_possible, self.has_noquorum)<EOL>assert <NUM_LIT:1> == len([x for x in test if x is not None])<EOL>return True<EOL>
either invalid or one of quorum, noquorum, quorumpossible