django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet.

[khoobks-gaiaresources]

Hi,

Using Django 1.9.4 on Python 3.4.3 there is an error when trying to use this app.

Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x7f3975404b70>
Traceback (most recent call last):
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/utils/autoreload.py", line 226, in wrapper
    fn(*args, **kwargs)
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/core/management/commands/runserver.py", line 109, in inner_run
    autoreload.raise_last_exception()
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/utils/autoreload.py", line 249, in raise_last_exception
    six.reraise(*_exception)
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/utils/six.py", line 685, in reraise
    raise value.with_traceback(tb)
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/utils/autoreload.py", line 226, in wrapper
    fn(*args, **kwargs)
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/__init__.py", line 18, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/apps/registry.py", line 85, in populate
    app_config = AppConfig.create(entry)
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/apps/config.py", line 90, in create
    module = import_module(entry)
  File "/.../VirtualEnv/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 "/.../VirtualEnv/lib/python3.4/site-packages/requirejs/__init__.py", line 1, in <module>
    from .filter import RequireJSCompiler
  File "/.../VirtualEnv/lib/python3.4/site-packages/requirejs/filter.py", line 19, in <module>
    from .js import JsCompressor
  File "/.../VirtualEnv/lib/python3.4/site-packages/requirejs/js.py", line 5, in <module>
    from compressor.js import JsCompressor as CompressorJsCompressor
  File "/.../VirtualEnv/lib/python3.4/site-packages/compressor/js.py", line 2, in <module>
    from compressor.base import Compressor, SOURCE_HUNK, SOURCE_FILE
  File "/.../VirtualEnv/lib/python3.4/site-packages/compressor/base.py", line 19, in <module>
    from compressor.utils import get_class, get_mod_func, staticfiles
  File "/.../VirtualEnv/lib/python3.4/site-packages/compressor/utils/staticfiles.py", line 9, in <module>
    if apps.is_installed("django.contrib.staticfiles"):
  File "/.../VirtualEnv/lib/python3.4/site-packages/django/apps/registry.py", line 227, in is_installed
    self.check_apps_ready()
  File "/.../VirtualEnv/lib/python3.4/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.

A simple workaround for this is to move the import from .js import JsCompressor
into the function write_output.