Upgrade to django 1.7- ImproperlyConfigured -Tastypie label duplicate? help

[amarshall]

Hi,

 So I updated my django project from django 1.6 to 1.7.7 and when I run "python manage.py migrate" I get this error stating that I have a duplicate label.

Here's the traceback

  Creating tables...
  Installing custom SQL...
  Installing indexes...
Running migrations:
  Applying tastypie.0001_initial...Traceback (most recent call last):
  File "manage.py", line 11, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 377, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 288, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 338, in execute
    output = self.handle(*args, **options)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/migrate.py", line 161, in handle
    executor.migrate(targets, plan, fake=options.get("fake", False))
  File "/usr/local/lib/python2.7/dist-packages/django/db/migrations/executor.py", line 68, in migrate
    self.apply_migration(migration, fake=fake)
  File "/usr/local/lib/python2.7/dist-packages/django/db/migrations/executor.py", line 96, in apply_migration
    if self.detect_soft_applied(migration):
  File "/usr/local/lib/python2.7/dist-packages/django/db/migrations/executor.py", line 140, in detect_soft_applied
    apps = project_state.render()
  File "/usr/local/lib/python2.7/dist-packages/django/db/migrations/state.py", line 57, in render
    self.apps = Apps([AppConfigStub(label) for label in sorted(self.real_apps + list(app_labels))])
  File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 56, in __init__
    self.populate(installed_apps)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 89, in populate
    "duplicates: %s" % app_config.label)
django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: tastypie

Not sure what to do here. I remove tastypie from the list of INSTALLED_APPS in my settings and everything works fine. but I do need it. Any suggestions ?

[Filipe Ximenes]

Can you show us your INSTALED_APPS?
It may be the case you have a lot of apps installed and is not seeing a duplicate reference to tastypie.

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[amarshall]

Hi Filipe,

I have few apps installed. When I comment out the tastypie line my app builds but gets an error in production because tastypie app isn't found. Here it is:

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
   # 'south',       // commented out after upgrade to Django 1.7
    'tastypie',
    'lokal',        #my app
)

[Filipe Ximenes]

Thats strange.

Are you using pip to install dependencies? Try uninstalling everything and reinstalling again. 

Make sure INSTALLED_APPS is not being defined somewhere else in the code. 

Does the error persists if you set DEBUG = False locally?

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Filipe Ximenes +55 (81) 8245-9204 Vinta Software Studio http://www.vinta.com.br

[dc]

Were you able to solve the problem @amarshall? I have the exact same error, do let me know please!

[amarshall]

Been a while.I forgot if I solved it using that. However I did create different environments using env wrapper and do an uninstall of old django and complete install to the newest version. Fixing small errors as they arise.