How to correct my signals call?

[prateek gupta]

Hi All,

I have an admin panel built on Django 2.0.6, Mysql 5.7 and Python 3.6.

Now I have written following signal code in signals.py-
from .models import MerchantStores
from django.db.models.signals import post_save
from django.dispatch import receiver

@receiver(post_save, sender = MerchantStores, weak=False)
def ensure_store_id_exists(sender, **kwargs):
   print ("check fucntion")
   ex = kwargs.get("instance").store_id
   print ("store id:",ex)
   import requests
   URL = "http://example.cloud/rmsservice/resetPin?storeId="+str(ex)
   print("url:",URL)
   data = {'Content-Type': 'application/json',
           'app-id': 'APP_ID',
           'secret-key': 'SECRET_KEY',
           'aid': 'PG'}

   r = requests.post(url=URL, headers=data)
   response_text = r.text
   print(response_text)

And in apps.py I have done following settings-

from django.apps import AppConfig

class AdminappConfig(AppConfig):
    name = 'adminapp'

    def ready(self):
        import adminapp.signals


In above signals I am sending a post request to resetPin api.
I need to send the request once form is saved but my signal is posting 
request before the save method.
I confirmed the above from server logs. Following is the logs I am getting-
[21/Nov/2018 14:18:03] "GET /jsi18n/ HTTP/1.1" 200 3185
check fucntion
store id: 1533
url: http://example/rmsservice/resetPin?storeId=1533
{"success":false,"code":"8050","message":"Merchant not 
active","response":null}
[21/Nov/2018 14:18:29] "POST /adminapp/merchantstores/add/ HTTP/1.1" 302 0
[21/Nov/2018 14:18:32] "GET /adminapp/merchantstores/ HTTP/1.1" 200 12659
[21/Nov/2018 14:18:34] "GET /jsi18n/ HTTP/1.1" 200 3185

As per above log, my signal is invoked before teh save() method but it 
should be after the save() method.
Can anyone please help my to find out what I am doing wrong here?

Thanks,
Prateek

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