Encapsulate the model with flash and return JSON with error: typeerror: object of type ‘int32’ is not JSON serializable

Solution found on Internet: Rewrite json.jsonecoder

class MyEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, numpy.integer):
            return int(obj)
        elif isinstance(obj, numpy.floating):
            return float(obj)
        elif isinstance(obj, numpy.ndarray):
            return obj.tolist()
        else:
            return super(MyEncoder, self).default(obj)

json.dumps(data,cls=MyEncoder)

Customer service:

https://www.cnblogs.com/lyq-bk1/p/9597172.html