error handle with unexpect response

[sleepingF0x]

my error define:

errors = {
    'ValidationError': {
        'message': "param error",
        'status': 400,
    }
}

api = Api(blueprint, catch_all_404s=True, errors=errors)

my marshmallow.schema

class Schema(ma.SQLAlchemyAutoSchema):
    url = ma.String(required=True, validate=[validate.Length(min=8, max=200)])
    key = ma.String(required=True, validate=[validate.Length(min=2, max=32)])

def post(self):
      mySchema.load(request.json)

post data, and expect with the following errors(key min=2, max=32 ), but seems did not work..

[
        {"url": "someurl",  "key": ""}
]

errors expect to be:

{
    "data": [
        {
            "url": "someurl",
            "key": "",
        }
    ],
    "message": "param error",
    "status": 400
}

after I review the code, I add some code to deal with kind of issues..and hope to help those who encounter such problems like me