#29169: Upgrade django 1.8 to 1.9
-------------------------------------+-------------------------------------
               Reporter:  Olivetree  |          Owner:  nobody
                   Type:             |         Status:  new
  Uncategorized                      |
              Component:             |        Version:  1.9
  contrib.contenttypes               |       Keywords:  upgrade, error,
               Severity:  Normal     |  contenttypes, app_label,
           Triage Stage:             |  INSTALLED_APPS
  Unreviewed                         |      Has patch:  0
    Needs documentation:  0          |    Needs tests:  0
Patch needs improvement:  0          |  Easy pickings:  0
                  UI/UX:  0          |
-------------------------------------+-------------------------------------
 I am upgrading from django 1.8.4 to 1.9.13. I installed django 1.9.3 and
 added to my settings

 **import django
 django.setup ()**

 My application no longer works, it displays the following error:

 Unhandled exception in thread started by <function
 check_errors.<locals>.wrapper at 0x7f9c9655b158>
 Traceback (most recent call last):
   File "/usr/local/lib/python3.4/dist-
 packages/django/utils/autoreload.py", line 226, in wrapper
     fn(*args, **kwargs)
   File "/usr/local/lib/python3.4/dist-
 packages/django/core/management/commands/runserver.py", line 116, in
 inner_run
     self.check(display_num_errors=True)
   File "/usr/local/lib/python3.4/dist-
 packages/django/core/management/base.py", line 426, in check
     include_deployment_checks=include_deployment_checks,
   File "/usr/local/lib/python3.4/dist-
 packages/django/core/checks/registry.py", line 75, in run_checks
     new_errors = check(app_configs=app_configs)
   File "/usr/local/lib/python3.4/dist-
 packages/django/core/checks/urls.py", line 13, in check_url_config
     return check_resolver(resolver)
   File "/usr/local/lib/python3.4/dist-
 packages/django/core/checks/urls.py", line 23, in check_resolver
     for pattern in resolver.url_patterns:
   File "/usr/local/lib/python3.4/dist-
 packages/django/utils/functional.py", line 33, in __get__
     res = instance.__dict__[self.name] = self.func(instance)
   File "/usr/local/lib/python3.4/dist-
 packages/django/core/urlresolvers.py", line 417, in url_patterns
     patterns = getattr(self.urlconf_module, "urlpatterns",
 self.urlconf_module)
   File "/usr/local/lib/python3.4/dist-
 packages/django/utils/functional.py", line 33, in __get__
     res = instance.__dict__[self.name] = self.func(instance)
   File "/usr/local/lib/python3.4/dist-
 packages/django/core/urlresolvers.py", line 410, in urlconf_module
     return import_module(self.urlconf_name)
   File "/usr/lib/python3.4/importlib/__init__.py", line 109, in
 import_module
     return _bootstrap._gcd_import(name[level:], package, level)
   File "<frozen importlib._bootstrap>", line 2254, in _gcd_import
   File "<frozen importlib._bootstrap>", line 2237, in _find_and_load
   File "<frozen importlib._bootstrap>", line 2226, in
 _find_and_load_unlocked
   File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
   File "<frozen importlib._bootstrap>", line 1129, in _exec
   File "<frozen importlib._bootstrap>", line 1471, in exec_module
   File "<frozen importlib._bootstrap>", line 321, in
 _call_with_frames_removed
   File
 "/home/eva/work/test_upgrade_django_to_1_11/be/centroproduto/urls.py",
 line 7, in <module>
     from django.contrib.auth.views import login, logout
   File "/usr/local/lib/python3.4/dist-
 packages/django/contrib/auth/views.py", line 11, in <module>
     from django.contrib.auth.forms import (
   File "/usr/local/lib/python3.4/dist-
 packages/django/contrib/auth/forms.py", line 10, in <module>
     from django.contrib.auth.models import User
   File "/usr/local/lib/python3.4/dist-
 packages/django/contrib/auth/models.py", line 6, in <module>
     from django.contrib.contenttypes.models import ContentType
   File "/usr/local/lib/python3.4/dist-
 packages/django/contrib/contenttypes/models.py", line 161, in <module>
     class ContentType(models.Model):
   File "/usr/local/lib/python3.4/dist-packages/django/db/models/base.py",
 line 102, in __new__
     "INSTALLED_APPS." % (module, name)
 RuntimeError: Model class django.contrib.contenttypes.models.ContentType
 doesn't declare an explicit app_label and isn't in an application in
 INSTALLED_APPS.

 ----

 I can not even run migrations ...
 In my settings I have:

 (...)

 import django
 django.setup()

 (...)

 INSTALLED_APPS = (
     'django.contrib.auth',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.sites',
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'django.contrib.admin',
     'myapp',
     #'debug_toolbar',
     'django_extensions',
     'corsheaders',
     'watson',
     'raven.contrib.django.raven_compat',
     #'django.contrib.admindocs',
     'django_mailbox',
     'django.contrib.postgres',
 )

 (...)


 ----

 I'm using python3.4 and postgresql9.3

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29169>
Django <https://code.djangoproject.com/>
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