raise AppRegistryNotReady("Apps aren't loaded yet.")

[mohsenbastani]

hello.
after editing /usr/local/lib/python2.7/dist-packages/admin_tools/dashboard/dashboards.py and adding from admin_tools_stats.modules import DashboardCharts, get_active_graph
i get an error that tell me:
raise AppRegistryNotReady("Apps aren't loaded yet.")
app was installed and tables were created i i can see them in admin panel and i can create object from them and set parameters for them ... .
i use from django 1.11 and python 2.7 .both of them are updated to lastest version.
regards.

TTP/1.1" 304 0 [02/Mar/2018 10:08:05] "GET /static/admin_tools/js/jquery/jquery.dashboard.js HT TP/1.1" 304 0 [02/Mar/2018 10:08:06] "GET /static/admin_tools/js/dashboard.js HTTP/1.1" 304 0 Not Found: /favicon.ico [02/Mar/2018 10:08:06] "GET /favicon.ico HTTP/1.1" 404 10295 [02/Mar/2018 10:08:12] "GET /admin_tools_stats/dashboardstats/ HTTP/1.1" 200 111 52 [02/Mar/2018 10:08:12] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:08:13] "GET /static/admin/img/tooltag-add.svg HTTP/1.1" 304 0 [02/Mar/2018 10:08:18] "GET /admin_tools_stats/dashboardstats/add/ HTTP/1.1" 200 16505 [02/Mar/2018 10:08:19] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:08:19] "GET /static/admin/img/icon-addlink.svg HTTP/1.1" 304 0 [02/Mar/2018 10:08:32] "GET /admin_tools_stats/dashboardstatscriteria/ HTTP/1.1" 200 11255 [02/Mar/2018 10:08:32] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:08:35] "GET /admin_tools_stats/dashboardstatscriteria/add/ HTTP/ 1.1" 200 13235 [02/Mar/2018 10:08:35] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:08:52] "POST /admin_tools_stats/dashboardstatscriteria/add/ HTTP /1.1" 302 0 [02/Mar/2018 10:08:53] "GET /admin_tools_stats/dashboardstatscriteria/ HTTP/1.1" 200 13422 [02/Mar/2018 10:08:53] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:08:54] "GET /static/admin/img/icon-yes.svg HTTP/1.1" 304 0 [02/Mar/2018 10:08:54] "GET /static/admin/img/sorting-icons.svg HTTP/1.1" 304 0 [02/Mar/2018 10:09:02] "GET /admin_tools_stats/dashboardstatscriteria/ HTTP/1.1" 200 13196 [02/Mar/2018 10:09:03] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:09:05] "GET /admin_tools_stats/dashboardstats/ HTTP/1.1" 200 111 52 [02/Mar/2018 10:09:05] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:09:09] "GET /admin_tools_stats/dashboardstats/add/ HTTP/1.1" 200 16542 [02/Mar/2018 10:09:09] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:09:54] "POST /admin_tools_stats/dashboardstats/add/ HTTP/1.1" 20 0 16899 [02/Mar/2018 10:09:55] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:10:02] "POST /admin_tools_stats/dashboardstats/add/ HTTP/1.1" 30 2 0 [02/Mar/2018 10:10:03] "GET /admin_tools_stats/dashboardstats/ HTTP/1.1" 200 139 33 [02/Mar/2018 10:10:03] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:10:08] "GET /admin_tools_stats/dashboardstats/1/change/ HTTP/1.1 " 200 16808 [02/Mar/2018 10:10:08] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:10:17] "POST /admin_tools_stats/dashboardstats/1/change/ HTTP/1. 1" 302 0 [02/Mar/2018 10:10:17] "GET /admin_tools_stats/dashboardstats/ HTTP/1.1" 200 139 37 [02/Mar/2018 10:10:18] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:10:23] "GET / HTTP/1.1" 200 10313 [02/Mar/2018 10:10:27] "GET /admin_tools_stats/dashboardstats/ HTTP/1.1" 200 137 23 [02/Mar/2018 10:10:28] "GET /jsi18n/ HTTP/1.1" 200 11084 [02/Mar/2018 10:10:32] "GET /admin_tools_stats/dashboardstats/1/change/ HTTP/1.1 " 200 16808 [02/Mar/2018 10:10:33] "GET /jsi18n/ HTTP/1.1" 200 11084 Unhandled exception in thread started by <function wrapper at 0x7fbf6578eed8> Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/django/utils/autoreload.py", line 230, in wrapper _exception = sys.exc_info() AttributeError: 'NoneType' object has no attribute 'exc_info' Unhandled exception in thread started by <function wrapper at 0x7f76882b7500> Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/django/utils/autoreload.py", line 228, in wrapper fn(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/r unserver.py", line 117, in inner_run autoreload.raise_last_exception() File "/usr/local/lib/python2.7/dist-packages/django/utils/autoreload.py", line 251, in raise_last_exception six.reraise(*_exception) File "/usr/local/lib/python2.7/dist-packages/django/utils/autoreload.py", line 228, in wrapper fn(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/django/__init__.py", line 27, in setup apps.populate(settings.INSTALLED_APPS) File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 85 , in populate app_config = AppConfig.create(entry) File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 94, in create module = import_module(entry) File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module __import__(name) File "/usr/local/lib/python2.7/dist-packages/admin_tools/dashboard/__init__.py ", line 1, in <module> from admin_tools.dashboard.dashboards import * File "/usr/local/lib/python2.7/dist-packages/admin_tools/dashboard/dashboards. py", line 21, in <module> from admin_tools_stats.modules import DashboardCharts, get_active_graph File "/usr/local/lib/python2.7/dist-packages/admin_tools_stats/modules.py", li ne 26, in <module> from admin_tools_stats.models import DashboardStats File "/usr/local/lib/python2.7/dist-packages/admin_tools_stats/models.py", lin e 35, in <module> class DashboardStatsCriteria(models.Model): File "/usr/local/lib/python2.7/dist-packages/django/db/models/base.py", line 1 10, in __new__ app_config = apps.get_containing_app_config(module) File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 24 7, in get_containing_app_config self.check_apps_ready() File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 12 5, in check_apps_ready raise AppRegistryNotReady("Apps aren't loaded yet.") django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet. mohsen@win-t:~/ztn$ python manage.py runserver 0.0.0.0:8000 > 1.txt Unhandled exception in thread started by <function wrapper at 0x7f42ecc2e410> Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/django/utils/autoreload.py", line 228, in wrapper fn(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/runserver.py", line 117, in inner_run autoreload.raise_last_exception() File "/usr/local/lib/python2.7/dist-packages/django/utils/autoreload.py", line 251, in raise_last_exception six.reraise(*_exception) File "/usr/local/lib/python2.7/dist-packages/django/utils/autoreload.py", line 228, in wrapper fn(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/django/__init__.py", line 27, in setup apps.populate(settings.INSTALLED_APPS) File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 85, in populate app_config = AppConfig.create(entry) File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 94, in create module = import_module(entry) File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module __import__(name) File "/usr/local/lib/python2.7/dist-packages/admin_tools/dashboard/__init__.py", line 1, in <module> from admin_tools.dashboard.dashboards import * File "/usr/local/lib/python2.7/dist-packages/admin_tools/dashboard/dashboards.py", line 21, in <module> from admin_tools_stats.modules import DashboardCharts, get_active_graph File "/usr/local/lib/python2.7/dist-packages/admin_tools_stats/modules.py", line 26, in <module> from admin_tools_stats.models import DashboardStats File "/usr/local/lib/python2.7/dist-packages/admin_tools_stats/models.py", line 35, in <module> class DashboardStatsCriteria(models.Model): File "/usr/local/lib/python2.7/dist-packages/django/db/models/base.py", line 110, in __new__ app_config = apps.get_containing_app_config(module) File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 247, in get_containing_app_config self.check_apps_ready() File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 125, in check_apps_ready raise AppRegistryNotReady("Apps aren't loaded yet.") django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet.