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

[AliVleotsky]

After adding the drf apps to INSTALLED_APPS I get the raise AppRegistryNotReady("Apps aren't loaded yet.") error.

Here is my INSTALLED_APPS

INSTALLED_APPS = [ 'dose.apps.DoseConfig', 'django.contrib.admin', 'django.contrib.auth.views', 'django.template.context_processors', # Used by fobi 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'django.contrib.messages', 'django.contrib.staticfiles', #django-fobi` themes
'fobi.contrib.themes.bootstrap3', # Bootstrap 3 theme
'fobi.contrib.themes.foundation5', # Foundation 5 theme
'fobi.contrib.themes.simple', # Simple theme

# `django-fobi` form elements - fields
'fobi.contrib.plugins.form_elements.fields.boolean',
'fobi.contrib.plugins.form_elements.fields.checkbox_select_multiple',
'fobi.contrib.plugins.form_elements.fields.date',
'fobi.contrib.plugins.form_elements.fields.date_drop_down',
'fobi.contrib.plugins.form_elements.fields.datetime',
'fobi.contrib.plugins.form_elements.fields.decimal',
'fobi.contrib.plugins.form_elements.fields.email',
'fobi.contrib.plugins.form_elements.fields.file',
'fobi.contrib.plugins.form_elements.fields.float',
'fobi.contrib.plugins.form_elements.fields.hidden',
'fobi.contrib.plugins.form_elements.fields.input',
'fobi.contrib.plugins.form_elements.fields.integer',
'fobi.contrib.plugins.form_elements.fields.ip_address',
'fobi.contrib.plugins.form_elements.fields.null_boolean',
'fobi.contrib.plugins.form_elements.fields.password',
'fobi.contrib.plugins.form_elements.fields.radio',
'fobi.contrib.plugins.form_elements.fields.regex',
'fobi.contrib.plugins.form_elements.fields.select',
'fobi.contrib.plugins.form_elements.fields.select_model_object',
'fobi.contrib.plugins.form_elements.fields.select_multiple',
'fobi.contrib.plugins.form_elements.fields.select_multiple_model_objects',
'fobi.contrib.plugins.form_elements.fields.slug',
'fobi.contrib.plugins.form_elements.fields.text',
'fobi.contrib.plugins.form_elements.fields.textarea',
'fobi.contrib.plugins.form_elements.fields.time',
'fobi.contrib.plugins.form_elements.fields.url',
# `django-fobi` form elements - content elements
'fobi.contrib.plugins.form_elements.test.dummy',
'easy_thumbnails', # Required by `content_image` plugin
'fobi.contrib.plugins.form_elements.content.content_image',
'fobi.contrib.plugins.form_elements.content.content_image_url',
'fobi.contrib.plugins.form_elements.content.content_text',
'fobi.contrib.plugins.form_elements.content.content_video',
# `django-fobi` form handlers
'fobi.contrib.plugins.form_handlers.db_store',
'fobi.contrib.plugins.form_handlers.http_repost',
'fobi.contrib.plugins.form_handlers.mail',
'fobi.contrib.plugins.form_handlers.mail_sender',
# Other project specific apps
'rest_framework',
'django_filters',
'rest_framework_swagger', # optional, creates browsable API docs
'fobi',
'fobi.contrib.apps.drf_integration',  # DRF integration app
'fobi.contrib.apps.drf_integration.form_elements.fields.boolean',
'fobi.contrib.apps.drf_integration.form_elements.fields.checkbox_select_multiple',
'fobi.contrib.apps.drf_integration.form_elements.fields.date',
'fobi.contrib.apps.drf_integration.form_elements.fields.date_drop_down',
'fobi.contrib.apps.drf_integration.form_elements.fields.datetime',
'fobi.contrib.apps.drf_integration.form_elements.fields.decimal',
'fobi.contrib.apps.drf_integration.form_elements.fields.duration',
'fobi.contrib.apps.drf_integration.form_elements.fields.email',
'fobi.contrib.apps.drf_integration.form_elements.fields.file',
'fobi.contrib.apps.drf_integration.form_elements.fields.float',
'fobi.contrib.apps.drf_integration.form_elements.fields.hidden',
'fobi.contrib.apps.drf_integration.form_elements.fields.input',
'fobi.contrib.apps.drf_integration.form_elements.fields.integer',
'fobi.contrib.apps.drf_integration.form_elements.fields.ip_address',
'fobi.contrib.apps.drf_integration.form_elements.fields.null_boolean',
'fobi.contrib.apps.drf_integration.form_elements.fields.password',
'fobi.contrib.apps.drf_integration.form_elements.fields.radio',
'fobi.contrib.apps.drf_integration.form_elements.fields.range_select',
'fobi.contrib.apps.drf_integration.form_elements.fields.regex',
'fobi.contrib.apps.drf_integration.form_elements.fields.select',
'fobi.contrib.apps.drf_integration.form_elements.fields.select_multiple',
'fobi.contrib.apps.drf_integration.form_elements.fields.select_multiple_with_max',
'fobi.contrib.apps.drf_integration.form_elements.fields.slider',
'fobi.contrib.apps.drf_integration.form_elements.fields.slug',
'fobi.contrib.apps.drf_integration.form_elements.fields.text',
'fobi.contrib.apps.drf_integration.form_elements.fields.textarea',
'fobi.contrib.apps.drf_integration.form_elements.fields.time',
'fobi.contrib.apps.drf_integration.form_elements.fields.url',
'fobi.contrib.apps.drf_integration.form_elements.content.content_image',
'fobi.contrib.apps.drf_integration.form_elements.content.content_image_url',
'fobi.contrib.apps.drf_integration.form_elements.content.content_richtext',
'fobi.contrib.apps.drf_integration.form_elements.content.content_text',
'fobi.contrib.apps.drf_integration.form_elements.content.content_video',
'fobi.contrib.apps.drf_integration.form_handlers.db_store',
'fobi.contrib.apps.drf_integration.form_handlers.http_repost',
'fobi.contrib.apps.drf_integration.form_handlers.mail',
#'fobi.contrib.apps.drf_integration.urls',
'fobi.contrib.apps.drf_integration',  # DRF integration app

# DRF integration form element plugins - fields
'fobi.contrib.apps.drf_integration.form_elements.fields.boolean',
'fobi.contrib.apps.drf_integration.form_elements.fields.checkbox_select_multiple',
'fobi.contrib.apps.drf_integration.form_elements.fields.date',
'fobi.contrib.apps.drf_integration.form_elements.fields.datetime',
'fobi.contrib.apps.drf_integration.form_elements.fields.decimal',
'fobi.contrib.apps.drf_integration.form_elements.fields.duration',
'fobi.contrib.apps.drf_integration.form_elements.fields.email',
'fobi.contrib.apps.drf_integration.form_elements.fields.file',
'fobi.contrib.apps.drf_integration.form_elements.fields.float',
'fobi.contrib.apps.drf_integration.form_elements.fields.hidden',
'fobi.contrib.apps.drf_integration.form_elements.fields.input',
'fobi.contrib.apps.drf_integration.form_elements.fields.integer',
'fobi.contrib.apps.drf_integration.form_elements.fields.ip_address',
'fobi.contrib.apps.drf_integration.form_elements.fields.null_boolean',
'fobi.contrib.apps.drf_integration.form_elements.fields.password',
'fobi.contrib.apps.drf_integration.form_elements.fields.radio',
'fobi.contrib.apps.drf_integration.form_elements.fields.range_select',
'fobi.contrib.apps.drf_integration.form_elements.fields.regex',
'fobi.contrib.apps.drf_integration.form_elements.fields.select',
'fobi.contrib.apps.drf_integration.form_elements.fields.select_multiple',
'fobi.contrib.apps.drf_integration.form_elements.fields.select_multiple_with_max',
'fobi.contrib.apps.drf_integration.form_elements.fields.slider',
'fobi.contrib.apps.drf_integration.form_elements.fields.slug',
'fobi.contrib.apps.drf_integration.form_elements.fields.text',
'fobi.contrib.apps.drf_integration.form_elements.fields.textarea',
'fobi.contrib.apps.drf_integration.form_elements.fields.time',
'fobi.contrib.apps.drf_integration.form_elements.fields.url',

# DRF integration form element plugins - presentational
'fobi.contrib.apps.drf_integration.form_elements.content.content_image',
'fobi.contrib.apps.drf_integration.form_elements.content.content_image_url',
'fobi.contrib.apps.drf_integration.form_elements.content.content_richtext',
'fobi.contrib.apps.drf_integration.form_elements.content.content_text',
'fobi.contrib.apps.drf_integration.form_elements.content.content_video',

# DRF integration form handler plugins
'fobi.contrib.apps.drf_integration.form_handlers.db_store',
'fobi.contrib.apps.drf_integration.form_handlers.mail',
'fobi.contrib.apps.drf_integration.form_handlers.http_repost',

]`

I compared to the docs and don't see any missing or extra or typos and typos usually have a different error.

Help appreciated.