Environment:


Request Method: POST
Request URL: http://127.0.0.1:8000/admin/showcase/product/add/?category=ind-foo

Django Version: 1.7.7
Python Version: 3.4.3
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'custom_user',
 'imagekit',
 'pipeline',
 'storages',
 'test_project.base',
 'test_project.showcase')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')


Traceback:
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/core/handlers/base.py" in get_response
  111.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/contrib/admin/options.py" in wrapper
  583.                 return self.admin_site.admin_view(view)(*args, **kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/utils/decorators.py" in _wrapped_view
  105.                     response = view_func(request, *args, **kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
  52.         response = view_func(request, *args, **kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/contrib/admin/sites.py" in inner
  206.             return view(request, *args, **kwargs)
File "/home/emyller/Devel/7ws/customers/test_project/test_project/showcase/admin/product.py" in add_view
  45.         return super(ProductAdmin, self).add_view(request)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/contrib/admin/options.py" in add_view
  1453.         return self.changeform_view(request, None, form_url, extra_context)
File "/home/emyller/Devel/7ws/customers/test_project/test_project/showcase/admin/product.py" in changeform_view
  33.             request, object_id, *args, **kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/utils/decorators.py" in _wrapper
  29.             return bound_func(*args, **kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/utils/decorators.py" in _wrapped_view
  105.                     response = view_func(request, *args, **kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/utils/decorators.py" in bound_func
  25.                 return func.__get__(self, type(self))(*args2, **kwargs2)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/transaction.py" in inner
  394.                 return func(*args, **kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/contrib/admin/options.py" in changeform_view
  1404.                 self.save_model(request, new_object, form, not add)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/contrib/admin/options.py" in save_model
  1045.         obj.save()
File "/home/emyller/Devel/7ws/customers/test_project/test_project/showcase/models.py" in save
  110.         super(Product, self).save(**kwargs)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/models/base.py" in save
  589.                        force_update=force_update, update_fields=update_fields)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/models/base.py" in save_base
  617.             updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/models/base.py" in _save_table
  679.                                       forced_update)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/models/base.py" in _do_update
  723.         return filtered._update(values) > 0
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/models/query.py" in _update
  600.         return query.get_compiler(self.db).execute_sql(CURSOR)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/models/sql/compiler.py" in execute_sql
  1004.         cursor = super(SQLUpdateCompiler, self).execute_sql(result_type)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/models/sql/compiler.py" in execute_sql
  786.             cursor.execute(sql, params)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/backends/utils.py" in execute
  81.             return super(CursorDebugWrapper, self).execute(sql, params)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/backends/utils.py" in execute
  65.                 return self.cursor.execute(sql, params)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/utils.py" in __exit__
  94.                 six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/utils/six.py" in reraise
  658.             raise value.with_traceback(tb)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/backends/utils.py" in execute
  65.                 return self.cursor.execute(sql, params)
File "/home/emyller/Devel/_misc/python-envs/test_project/lib/python3.4/site-packages/django/db/backends/sqlite3/base.py" in execute
  485.         return Database.Cursor.execute(self, query, params)

Exception Type: IntegrityError at /admin/showcase/product/add/
Exception Value: NOT NULL constraint failed: showcase_product.created
