upload traceback

Environment:


Request Method: POST
Request URL: http://localhost:8000/upload/

Django Version: 1.7
Python Version: 2.7.3
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'expe',
 'upload')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')


Traceback:
File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py" in get_response
  114.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/urbanslug/code/python/django/accounts/upload/views.py" in UploadView
  19. 			obj.uploaded_file.save(instance, filename)
File "/usr/lib/python2.7/dist-packages/django/db/models/fields/files.py" in save
  86.         name = self.field.generate_filename(self.instance, name)
File "/usr/lib/python2.7/dist-packages/django/db/models/fields/files.py" in generate_filename
  280.         return os.path.join(self.get_directory_name(), self.get_filename(filename))
File "/usr/lib/python2.7/dist-packages/django/db/models/fields/files.py" in get_filename
  277.         return os.path.normpath(self.storage.get_valid_name(os.path.basename(filename)))
File "/usr/lib/python2.7/posixpath.py" in basename
  112.     i = p.rfind('/') + 1
File "/usr/lib/python2.7/dist-packages/django/utils/functional.py" in inner
  214.         return func(self._wrapped, *args)

Exception Type: AttributeError at /upload/
Exception Value: 'User' object has no attribute 'rfind'