def remove_tag(self, key, value=None):
        if value:
            tags = {key : value}
        else:
            tags = [key]
        status = self.connection.delete_tags([self.id], tags)
        if key in self.tags:
            del self.tags[key]
Given a URL, set or replace a query parameter and return the
dataset/ETHPy150Open darcyliu/storyboard/boto/ec2/ec2object.py/TaggedEC2Object.remove_tag--crossover with--dataset/ETHPy150Open BuongiornoMIP/Reding/reding/tests/utils.py/set_query_parameter