run.py

from flask import Flask, jsonify, request
import requests
import json

planner_patch_app = Flask(__name__)


@planner_patch_app.route('/', methods=['POST'])
def hello_world_post():
    params = request.get_json()

    headers = {
        "Authorization": params["Authorization"],
        "If-Match": params["If-Match"],
        "Content-type": "application/json"
    }

    url = "https://graph.microsoft.com/v1.0/planner/tasks/" + params["TaskId"] + "/details"

    description = "Update Request Type: " + params["RequestType"] + "\n" + "Update Request Details: " + params["RequestDetails"] + \
                  "\n\n\n" + "Generated By Kissflow "

    payload = {
        "description": description
    }

    r = requests.patch(url, data=json.dumps(payload), headers=headers)
    return jsonify({"r": r.text, "result": str(len(params)) + " request params supplied. " + str(params)})


@planner_patch_app.route('/', methods=['GET'])
def hello_world_get():
    return 'Hello World!'


if __name__ == '__main__':
    planner_patch_app.debug = True
    planner_patch_app.run()