Upgrade stripe Python package to the latest version

https://github.com/stripe/stripe-python/blob/master/CHANGELOG.md

readthedocs/gold/forms.py

@@ -69,7 +69,7 @@ class GoldSubscriptionForm(StripeResourceMixin, StripeModelForm):
         customer = self.get_customer()
 
         # TODO get the first subscription more intelligently
-        subscriptions = customer.subscriptions.all(limit=5)
+        subscriptions = customer.subscriptions.list(limit=5)
         if subscriptions.data:
             # Update an existing subscription - Stripe prorates by default
             subscription = subscriptions.data[0]

readthedocs/gold/tests/test_forms.py

@@ -222,7 +222,7 @@ class GoldSubscriptionFormTests(TestCase):
                       mock.ANY,
                       mock.ANY),
             mock.call('post',
-                      '/v1/customers/cus_12345/subscriptions/sub_12345',
+                      '/v1/subscriptions/sub_12345',
                       {'source': mock.ANY, 'plan': 'v1-org-5'},
                       mock.ANY),
         ])

readthedocs/payments/forms.py

@@ -5,7 +5,7 @@ from builtins import str
 from builtins import object
 import logging
 
-from stripe.resource import Customer, Charge
+from stripe import Customer, Charge
 from stripe.error import InvalidRequestError
 from django import forms
 from django.utils.translation import ugettext_lazy as _

requirements/pip.txt

@@ -82,10 +82,7 @@ beautifulsoup4==4.6.3
 Unipath==1.1
 django-kombu==0.9.4
 mock==2.0.0
-
-# stripe 1.20.2 is the latest compatible with our code base (otherwise
-# gold/tests/test_forms.py fails)
-stripe==1.20.2
+stripe==2.12.0
 
 django-formtools==2.1