Method _check_nargs

Lib/optparse.py:686–693

(self)

                self)

    def _check_nargs(self):
        if self.action in self.TYPED_ACTIONS:
            if self.nargs is None:
                self.nargs = 1
        elif self.nargs is not None:
            raise OptionError(
                "'nargs' must not be supplied for action %r" % self.action,
                self)

    def _check_callback(self):
        if self.action == "callback":