def sign(self, request, consumer, token):
        raise NotImplementedError
Tell `json.dumps` how to convert non-JSON types.
dataset/ETHPy150Open mrgaaron/LinkedIn-Client-Library/liclient/oauth2/__init__.py/SignatureMethod.sign--crossover with--dataset/ETHPy150Open heiskr/sagefy/server/modules/util.py/json_serial