def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def create(self):
        self._set_changed_options()
        if self.client.check_mode:
            return True
        if self.want.base_key is None:
            raise F5ModuleError(
                "You must specify a 'base_key' when creating a license pool"
            )
        self.create_on_device()
        return True