Django upgrading to 1 9 error AppRegistryNotReady Apps aren t loaded yet

Question

When upgraded to django 1 9 from 1 8 I got this error  I checked answers for similar questions  but I didn t think this is an issue with any 3rd party packages or apps   Traceback  most recent call last   File  manage py   line 10  in  lt module gt  execute from command line sys argv  File   home kishore  virtualenvs andone local lib python2 7 site-packages django core management   init   py   line 350  in execute from command line utility execute   File   home kishore  virtualenvs andone local lib python2 7 site-packages django core management   init   py   line 342  in execute self fetch command subcommand  run from argv self argv  File   home kishore  virtualenvs andone local lib python2 7 site-packages django core management   init   py   line 176  in fetch command commands   get commands   File   home kishore  virtualenvs andone local lib python2 7 site-packages django utils lru cache py   line 100  in wrapper result   user function  args    kwds  File   home kishore  virtualenvs andone local lib python2 7 site-packages django core management   init   py   line 71  in get commands for app config in reversed list apps get app configs      File   home kishore  virtualenvs andone local lib python2 7 site-packages django apps registry py   line 137  in get app configs self check apps ready   File   home kishore  virtualenvs andone local lib python2 7 site-packages django apps registry py   line 124  in check apps ready raise AppRegistryNotReady  Apps aren t loaded yet    django core exceptions AppRegistryNotReady  Apps aren t loaded yet    I d modified the Installed apps for  django contrib auth

User · Answer

Late to the party  but grappelli was the reason for my error as well  I looked up the compatible version on pypi and that fixed it for me

User · Answer

In the  admin  module of your app package  do register all the databases created in  models  module of the package   Suppose you have a database class defined in  models  module as   class myDb1 models Model       someField  models Charfiled max length 100    so you must register this in the admin module as   from  models import myDb1 admin site register myDb1    I hope this resolve the error

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My problem was that I tried to import a Django model before calling django setup    This worked for me   import django django setup    from myapp models import MyModel   The above script is in the project root folder

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Try activating the virtual env  In my case  using the git command line tool    source scripts activate   Solves my problem

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django setup   in the top will not work while you are running a script explicitly  My problem solved when I added this in the bottom of the settings file  BASE DIR   os path dirname os path dirname os path abspath   file      import sys if BASE DIR not in sys path      sys path append BASE DIR  os environ  DJANGO SETTINGS MODULE       igp lrpe settings  os environ setdefault  DJANGO SETTINGS MODULE    igp lrpe settings   import django django setup

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I tried tons of things  but only downgrading Django to 1 8 18 fixed this issue for me   pip install django  1 8 18   It is one of the installed apps that is failing  but I could not find which one

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If your setting py files fill are correct you can try to arrive manage py files proceed call danjgo setup   in main method   Then run manage py  finally again run project  the issue could disappear

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First import and run django setup   before importing any models  All the above answers are good but there is a simple mistake a person could do is that  In fact in my case it was   I imported Django model from my app before calling django setup    so proper way is to do    import os os environ setdefault  DJANGO SETTINGS MODULE    first project settings    import django django setup     then any other import like from faker import Faker import random   import models only after calling django setup   from first app models import Webpage  Topic  AccessRecord

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In my case one of my settings   CORS ORIGIN WHITELIST  was set in the settings py file but was not available in my  env file  So I ll suggest that you check your settings  especially those linked to  env

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Try to add this lines to the top of your settings file   import django django setup     And if this will not help you try to remove third-party applications from your installed apps list one-by-one

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For me  the problem came from the fact that I was importing an app in INSTALLED APPS which was itself importing a model in its   init   py file  I had    settings py  INSTALLED APPS                  myapp               myapp   init   py  from django contrib sites models import Site   commenting out import models in myapp   init   py made it work      from django contrib sites models import Site

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When I change my django version to 1 9  it don t arise the error   pip uninstall django pip install django  1 9

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I get that error when I try to run test py not full scripts  I don t want to use python manage py test    and the following method is working for me   import os import django if  env setting       os environ setdefault  DJANGO SETTINGS MODULE    YourRoot settings       django setup   from django test import TestCase      class SomeTest TestCase       def test one self       lt -- Now  I can run this function by PyCharm                  def test two self

User · Answer

Got this error while trying to access model objects in apps py   class QuizConfig AppConfig   name    quiz   def ready self       print                  gt  Django just started           questions by category   Question objects filter category 2     lt     Guilty line of code    Trying to access Question before the app has loaded the model class caused the error for me

User · Answer

This error may occur when you are adding an app in INSTALLED APPS  in the settings py file but you do not have that app installed in your computer  You have two solution    Install that app using package managers like pip in ubuntu Or Comment out that installed app in the settings py file   This error may also arise if you are not in your virtual environment which you may have created for your project

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Try removing the entire settings LOGGING dictConfig and restart the server  If that works  rewrite the setting according to the v1 9 documentation   https   docs djangoproject com en 1 9 topics logging  examples

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I get that error when i try to run   python manage py makemigrations   i tried so many things and realized that i added some references to  settings py  -  INSTALLED APPS   Just be sure what you write there is correct  My mistake was   model   instead of   app    Corrected that mistake and it s working now

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For me commenting out   grappelli dashboard    grappelli     in INSTALLED APPS worked

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This issue is also observed for inconsistent settings py for incorrectly writing INSTALLED APPS  verify if you correctly included apps and separated with

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In my case  the error occurred when I made python manage py makemigrations on Django 2 0 6    The solution was to run python manage py runserver and see the actual error  which was just a missing environment variable

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As others have said this can be caused when you ve not installed an app that is listed in INSTALLED APPS   In my case  manage py was attempting to log the exception  which led to an attempt to render it which failed due to the app not being initialized yet  By  commenting out the except clause in manage py the exception was displayed without special rendering  avoiding the confusing error     Temporarily commenting out the log statement   try      execute from command line sys argv   except Exception as e       log error  Admin Command Error   s       join sys argv   exc info sys exc info         raise e

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My problem was  django-reversion  1 8 7  lt 1 9  for django 1 9 7 you should use  django-reversion  1 10 0  I were upgraded django-cms 3 2 to 3 3  and found it by commenting apps  then uncommenting back   Correct answer here  https   stackoverflow com a 34040556 2837890

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I put the User import into the settings file for managing the rest call token like this     settings py from django contrib auth models import User def jwt get username from payload handler payload            JWT AUTH          JWT PAYLOAD GET USERNAME HANDLER   jwt get username from payload handler       JWT PUBLIC KEY   PUBLIC KEY       JWT ALGORITHM    RS256        JWT AUDIENCE   API IDENTIFIER       JWT ISSUER   JWT ISSUER       JWT AUTH HEADER PREFIX    Bearer     REST FRAMEWORK          DEFAULT PERMISSION CLASSES              rest framework permissions IsAuthenticated               DEFAULT AUTHENTICATION CLASSES             rest framework jwt authentication JSONWebTokenAuthentication              Because at that moment  Django libs are not ready yet  Therefore  I put the import inside the function and it started to work  The function needs to be called after the server is started

User · Answer

I d a custom function written on one of my models   init   py file  It was causing the error  When I moved this function from   init   py it worked

[python] Django upgrading to 1.9 error "AppRegistryNotReady: Apps aren't loaded yet."

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