Integrating 2checkout with Django 2.2 - python

I try to implement 2checkout to my django app (Python 3.7 and Django 2.2).
I'm using the Sandox and when I see API logs my orders are successfully passed. I also chose a URL for the Passback and selected Header Redirect in my account settings.
Unfortunately, I don't succeed in getting the redirection works :
I get this error after twocheckout.Charge.authorize(params) if successfully executed:
The view subscriptions.views.subscription_payment didn't return an HttpResponse object. It returned None instead.
When I manually add an HttpResponseRedirect like this:
return HttpResponseRedirect('/payment-success') the GET request is empty because it doesn't come from 2checkout.
I tried to follow this tutorial https://github.com/2Checkout/2checkout-python-tutorial and it doesn't mention any HttpResponseRedirect.
Could you please help me with this issue? It's really frustrating. I'm a beginner developper so maybe I missed something. Please feel free to ask any further information that would be helpful to understand my issue.
Many thanks in advance

I was integrating the API so no need for Passback URL. The question was a non sense :) That's why the tutorial doesn't mention HttpResponseRedirect.

Because it has been asked in the comments, here is the code used to fulfil the need I had at that moment. Hope this could help someone else.
def subscription_payment(request, pk):
property = Property.objects.get(pk=pk)
if request.method == 'POST':
pay_token = request.POST.get('token')
twocheckout.Api.auth_credentials({
'private_key': '######-####-####-####-#######',
'seller_id': '#########',
'mode': 'sandbox' # Uncomment to use Sandbox
})
data = serializers.serialize('json', Profile.objects.filter(user=request.user), fields=(
'address_2', 'city', 'zip_code', 'country', 'phone_number'))
data = json.loads(data)
params = {
'merchantOrderId': request.user.id,
'token': pay_token,
'currency': 'USD',
'billingAddr': {
'name': request.user.get_full_name(),
'addrLine1': data[0]['fields']['address_2'],
'city': data[0]['fields']['city'],
'state': ' ',
'zipCode': data[0]['fields']['zip_code'],
'country': data[0]['fields']['country'],
'email': request.user.email,
'phoneNumber': data[0]['fields']['phone_number'],
},
'lineItems': [
{
'type': 'product',
'name': 'Abonnement mensuel basic',
'recurrence': '1 Month',
'duration': '3 Month',
'tangible': 'N',
'price': '150.00',
'description': '',
'productId': property.id,
}
]
}
try:
result = twocheckout.Charge.authorize(params)
backup_response = json.dumps(result)
print(result.responseCode)
if result.responseCode == 'APPROVED':
offer = Offer.objects.get(type='MONTHLY_BASIC')
user = request.user
payment_data = dict()
payment_data['response_code'] = result.responseCode
payment_data['transaction_id'] = result.transactionId
payment_data['order_number'] = result.orderNumber
payment_data['amount'] = result['lineItems'][0]['price']
payment_data['property_title_bkp'] = property.title
payment_data['backup_response'] = backup_response
Payment.objects.create(
offer=offer,
property=property,
user=user,
initiated_on=timezone.now(),
**payment_data
)
return render(request, 'subscriptions/payment_success.html', payment_data)
except TwocheckoutError as error:
return HttpResponse(error.msg)

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Hope you can make it like i did.

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def get_print_report(self):
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'type': 'ir.actions.act_window',
'context': context,
'domain': domain,
}
I think if you check the type of context, you will find that it is a frozen dict. You shall change it to a dict context = dict(self._context) then do all the alteration you need then turn it back into a frozen dict and give

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