def _get_from_querystring(self, environ):
        if self.querystring_param in environ.get('QUERY_STRING', ''):
            args = url_decode(environ['QUERY_STRING'])
            return args.get(self.querystring_param)
        return None
dataset/ETHPy150Open LeightonStreet/LingoBarter/lingobarter/core/middleware.py/HTTPMethodOverrideMiddleware._get_from_querystring/original