def sync_payment_by_id(self, payment_id):
     payment_url = PAYMENT_URL.format(payment_id)
     data = self._load_url(payment_url)
     MpesaPayment.create_from_json(data)
 def sync_payments(self):
     data = self._load_url(PAYMENTS_URL)
     for payment in data:
         MpesaPayment.create_from_json(payment)