TalkWithFlask.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;

public class TalkWithFlask : MonoBehaviour
{
    [System.Serializable]
    class Dumb
    {
        public float boh;
        public string hello;
        public int number;
    }


    UnityWebRequestAsyncOperation asyncOp;

    delegate void State();

    State currentState;

    void MakeMatchmaking()
    {
        UnityWebRequest request = new UnityWebRequest("http://robertoaiv.pythonanywhere.com/hello");
        request.downloadHandler = new DownloadHandlerBuffer();
        asyncOp = request.SendWebRequest();
        currentState = CheckMatchmaking;
    }

    void CheckMatchmaking()
    {
        if (asyncOp.isDone)
        {
            Debug.Log(asyncOp.webRequest.responseCode);
            Debug.Log(asyncOp.webRequest.downloadHandler.text);
            Dumb dumb = JsonUtility.FromJson<Dumb>(asyncOp.webRequest.downloadHandler.text);
            Debug.Log(dumb.boh);
            currentState = MakePoll;
        }
    }

    void MakePoll()
    {

    }

    void Start()
    {
        currentState = MakeMatchmaking;
    }

    void Update()
    {
        currentState();
    }
}