Method assert_is

pythonwhat/State.py:205–211

(self, klasses, fun, prev_fun)

        return self.creator and self.creator.get("type") == type

    def assert_is(self, klasses, fun, prev_fun):
        if self.__class__.__name__ not in klasses:
            with debugger(self):
                self.report(
                    "`%s()` can only be called on %s."
                    % (fun, " or ".join(["`%s()`" % pf for pf in prev_fun]))
                )

    def assert_is_not(self, klasses, fun, prev_fun):
        if self.__class__.__name__ in klasses: