flask rest api problem

#!/usr/bin/python

from flask import Flask

from flask_restful import Resource, Api

from flask_restful import reqparse

from flask.ext.mysql import MySQL

mysql = MySQL()

app = Flask(__name__)

# MySQL configurations

app.config['MYSQL_DATABASE_USER'] = 'pi'

app.config['MYSQL_DATABASE_PASSWORD'] = 'xxxxxxxx'

app.config['MYSQL_DATABASE_DB'] = 'xxxxxxxx'

app.config['MYSQL_DATABASE_HOST'] = 'localhost'

mysql.init_app(app)

api = Api(app)

class test(Resource):

    def post(self):

        try:

        # Parse the arguments

        parser = reqparse.RequestParser()

        parser.add_argument('ID', type=str, help='Id of Item')

        args = parser.parse_args()

        id = str(args['ID'])

        conn = mysql.connect()

        cursor = conn.cursor()

        cursor.execute("SELECT * FROM `PowerSystem` WHERE ID=id")

        data = cursor.fetchall()

        items_list=[];

        for item in data:

            i = {

                'ID':str(item[0]),

                'Timestamp':str(item[1]),

                'batteryVoltage':str(item[2]),

                'batteryCurrent':str(item[3]),

                'solarVoltage':str(item[4]),

                'solarCurrent':str(item[5]),

                'loadVoltage':str(item[6]),

                'loadCurrent':str(item[7]),

                'batteryPower':str(item[8]),

                'solarPower':str(item[9]),

                'loadPower':str(item[10]),

                'batteryCharge':str(item[11])

            }

            items_list.append(i)

        return {'StatusCode':'200','Items':items_list}

    except Exception as e:

        return {'error': str(e)}

    api.add_resource(test, '/test')

    if __name__ == '__main__':

     app.run(debug=True,host='0.0.0.0')

   app.run(debug=True,host='0.0.0.0')