Flask Jsonify Custom JsonEncoder

import decimalfrom flask import current_app as appfrom flask import Jsonifyfrom flask.json import JSONEncoderclass JsonEncoder(JSONEncoder):    def default(self, obj):        if isinstance(obj, decimal.Decimal):            return float(obj)        return JSONEncoder.default(self, obj)@app.route('/test_jsonify')def test_jsonify():    data = {        'float': 7.5,        'decimal': decimal.Decimal(7.5)    }    app.json_encoder = JsonEncoder    return jsonify(data)