Remote door opener python server

server.py

import time
import RPi.GPIO as GPIO
import sys

from flask import Flask
from flask_restful import Resource, Api

app = Flask(__name__)
api = Api(app)

class Signaler(Resource):
    def get(self):
        try:
            GPIO.setmode(GPIO.BCM)
            GPIO.setup(18, GPIO.OUT)
            time.sleep(1)
            GPIO.output(18, GPIO.HIGH)
            GPIO.cleanup()
        except Exception as error:
            return {'error': error.message}, 500
        return {'error': None}, 200

api.add_resource(Signaler, '/')

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5000)