class ClientVerifier(type):
    '''отсутствие вызовов connect для сокетов'''

    def __new__(cls, clsname, bases, clsdict):
        for method in clsdict:
            if callable(clsdict.get(method)):
                for instr in dis.get_instructions(clsdict.get(method)):
                    if instr.argval in INVALID_CALLS:
                        raise ClientVerifierError
        return type.__new__(cls, clsname, bases, clsdict)