Traceback (most recent call last):
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 92, in get_response
    response = middleware_method(request)
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/middleware/common.py", line 69, in process_request
    if (not urlresolvers.is_valid_path(request.path_info, urlconf) and
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/core/urlresolvers.py", line 551, in is_valid_path
    resolve(path, urlconf)
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/core/urlresolvers.py", line 440, in resolve
    return get_resolver(urlconf).resolve(path)
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/core/urlresolvers.py", line 319, in resolve
    for pattern in self.url_patterns:
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/core/urlresolvers.py", line 347, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/core/urlresolvers.py", line 342, in urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)
  File "/home/shenzia/_venv/filebrowser_crop/local/lib/python2.7/site-packages/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/home/shenzia/workspace/filebrowser_crop/filebrowser_crop/urls.py", line 3, in <module>
    from filebrowser.sites import site
ImportError: No module named sites