AttributeError at /admin/login/

'tuple' object has no attribute 'regex'
Request Method: GET
Request URL: http://127.0.0.1:8000/admin/login/?next=/admin/
Django Version: 1.8.2
Exception Type: AttributeError
Exception Value: 
'tuple' object has no attribute 'regex'
Exception Location: /usr/local/lib/python3.4/dist-packages/django/core/urlresolvers.py in _populate, line 298
Python Executable: /usr/bin/python3.4
Python Version: 3.4.0
Python Path: 
['/home/yidnekachew/Projects/Django/perfman2',
 '/usr/local/lib/python3.4/dist-packages/pip-7.1.0-py3.4.egg',
 '/home/yidnekachew/Projects/Django/perfman2',
 '/usr/lib/python3.4',
 '/usr/lib/python3.4/plat-x86_64-linux-gnu',
 '/usr/lib/python3.4/lib-dynload',
 '/home/yidnekachew/.local/lib/python3.4/site-packages',
 '/usr/local/lib/python3.4/dist-packages',
 '/usr/lib/python3/dist-packages']
Server time: Mon, 20 Jul 2015 13:29:30 +0000

Error during template rendering

In template /usr/local/lib/python3.4/dist-packages/django/contrib/admin/templates/admin/base_site.html, error at line 6

'tuple' object has no attribute 'regex'

1 {% extends "admin/base.html" %}
2
3 {% block title %}{{ title }} | {{ site_title|default:_('Django site admin') }}{% endblock %}
4
5 {% block branding %}
6 <h1 id="site-name"><a href=" {% url 'admin:index' %} ">{{ site_header|default:_('Django administration') }}</a></h1>
7 {% endblock %}
8
9 {% block nav-global %}{% endblock %}
10

Traceback Switch back to interactive view

Request information

GET

Variable Value
next 
'/admin/'

POST

No POST data

FILES

No FILES data

Variable Value
csrftoken 
'BY2pIROTJeFofa1EcjSL1pekPrhjaIak'
sessionid 
'ug3xxoy8os5ypw3hg3v8pdmmmz35pp22'

META

Variable Value
wsgi.errors 
<_io.TextIOWrapper name='<stderr>' mode='w' encoding='UTF-8'>
LC_IDENTIFICATION 
'am_ET'
XDG_RUNTIME_DIR 
'/run/user/1001'
JDK_HOME 
'/usr/java/jdk1.6.0_30'
LANG 
'en_US.UTF-8'
SSH_AUTH_SOCK 
'/run/user/1001/keyring-sfoVTK/ssh'
REQUEST_METHOD 
'GET'
HTTP_ACCEPT_ENCODING 
'gzip, deflate'
HTTP_USER_AGENT 
'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0'
LC_MEASUREMENT 
'am_ET'
LC_PAPER 
'am_ET'
CONTENT_TYPE 
'text/plain'
SHELL 
'/bin/bash'
HOME 
'/home/yidnekachew'
LOGNAME 
'yidnekachew'
PAGA_ENC_ITERATIONS 
'1000'
PYTHONPATH 
'/home/yidnekachew/Projects/Django/perfman2'
LC_TIME 
'am_ET'
COMPIZ_BIN_PATH 
'/usr/bin/'
LC_MONETARY 
'am_ET'
GNOME_KEYRING_CONTROL 
'/run/user/1001/keyring-sfoVTK'
XDG_VTNR 
'7'
COMPIZ_CONFIG_PROFILE 
'ubuntu'
HTTP_HOST 
'127.0.0.1:8000'
SESSION_MANAGER 
'local/zkassa:@/tmp/.ICE-unix/3168,unix/zkassa:/tmp/.ICE-unix/3168'
IM_CONFIG_PHASE 
'1'
LC_TELEPHONE 
'am_ET'
XDG_GREETER_DATA_DIR 
'/var/lib/lightdm-data/yidnekachew'
GIO_LAUNCHED_DESKTOP_FILE_PID 
'4155'
DESKTOP_SESSION 
'ubuntu'
wsgi.run_once 
False
wsgi.file_wrapper 
''
wsgi.url_scheme 
'http'
SCRIPT_NAME 
''
XDG_DATA_DIRS 
'/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/'
UPSTART_SESSION 
'unix:abstract=/com/ubuntu/upstart-session/1001/2954'
DBUS_SESSION_BUS_ADDRESS 
'unix:abstract=/tmp/dbus-WXORzVO6wA'
TZ 
'UTC'
XFILESEARCHPATH 
'/usr/dt/app-defaults/%L/Dt'
wsgi.multithread 
True
GRAILS_HOME 
'/opt/grails-2.3.11'
JAVA_HOME 
'/usr/java/jdk1.6.0_30'
HTTP_ACCEPT_LANGUAGE 
'am,en-US;q=0.7,en;q=0.3'
PYCHARM_HOSTED 
'1'
XDG_SESSION_ID 
'c5'
MANDATORY_PATH 
'/usr/share/gconf/ubuntu.mandatory.path'
XDG_SESSION_PATH 
'/org/freedesktop/DisplayManager/Session0'
XDG_CONFIG_DIRS 
'/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg'
PAGA_ENC_ALGORITHM 
'PBEWithMD5AndTripleDES'
XMODIFIERS 
'@im=ibus'
PYTHONUNBUFFERED 
'1'
SERVER_SOFTWARE 
'WSGIServer/0.2'
GNOME_DESKTOP_SESSION_ID 
'this-is-deprecated'
SESSIONTYPE 
'gnome-session'
CONTENT_LENGTH 
''
GATEWAY_INTERFACE 
'CGI/1.1'
USER 
'yidnekachew'
XDG_SEAT 
'seat0'
LC_NAME 
'am_ET'
TEXTDOMAINDIR 
'/usr/share/locale/'
XDG_MENU_PREFIX 
'gnome-'
wsgi.version 
(1, 0)
JOB 
'dbus'
LC_NUMERIC 
'am_ET'
DJANGO_SETTINGS_MODULE 
'perfman.settings'
PATH 
'/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/opt/groovy-1.8.5/bin:/opt/grails-2.3.11/bin'
GDMSESSION 
'ubuntu'
REMOTE_HOST 
''
SERVER_NAME 
'localhost'
TEXTDOMAIN 
'im-config'
DEFAULTS_PATH 
'/usr/share/gconf/ubuntu.default.path'
PWD 
'/home/yidnekachew'
RUN_MAIN 
'true'
GDM_LANG 
'en_US'
NLSPATH 
'/usr/dt/lib/nls/msg/%L/%N.cat'
QT_IM_MODULE 
'ibus'
PYTHONIOENCODING 
'UTF-8'
LD_LIBRARY_PATH 
'/usr/java/jdk1.6.0_30/jre/lib/amd64/server:/usr/java/jdk1.6.0_30/jre/lib/amd64:/usr/java/jdk1.6.0_30/jre/../lib/amd64:/home/yidnekachew/Desktop/My
 '
'Documents/pycharm-4.5.2/bin:'
GTK_MODULES 
'overlay-scrollbar:unity-gtk-module'
PAGA_ENC_KEY 
'dfjk38Gfdsj59sjFg'
QT4_IM_MODULE 
'xim'
GPG_AGENT_INFO 
'/run/user/1001/keyring-sfoVTK/gpg:0:1'
DISPLAY 
':0'
GIO_LAUNCHED_DESKTOP_FILE 
'/usr/share/applications/jetbrains-pycharm.desktop'
XAUTHORITY 
'/home/yidnekachew/.Xauthority'
LANGUAGE 
'en_US'
HTTP_ACCEPT 
'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
SHLVL 
'0'
QT_QPA_PLATFORMTHEME 
'appmenu-qt5'
XDG_CURRENT_DESKTOP 
'Unity'
QUERY_STRING 
'next=/admin/'
INSTANCE 
''
wsgi.input 
<_io.BufferedReader name=5>
XDG_SEAT_PATH 
'/org/freedesktop/DisplayManager/Seat0'
LC_ADDRESS 
'am_ET'
HTTP_CONNECTION 
'keep-alive'
SELINUX_INIT 
'YES'
CLUTTER_IM_MODULE 
'xim'
HTTP_COOKIE 
'csrftoken=BY2pIROTJeFofa1EcjSL1pekPrhjaIak; '
'sessionid=ug3xxoy8os5ypw3hg3v8pdmmmz35pp22'
PATH_INFO 
'/admin/login/'
GNOME_KEYRING_PID 
'2952'
SERVER_PROTOCOL 
'HTTP/1.1'
REMOTE_ADDR 
'127.0.0.1'
wsgi.multiprocess 
False
SERVER_PORT 
'8000'
SESSION 
'ubuntu'
CSRF_COOKIE 
'BY2pIROTJeFofa1EcjSL1pekPrhjaIak'
GTK_IM_MODULE 
'ibus'

Settings

Using settings module perfman.settings

Setting Value
MESSAGE_STORAGE 
'django.contrib.messages.storage.fallback.FallbackStorage'
SESSION_FILE_PATH 
None
CSRF_FAILURE_VIEW 
'django.views.csrf.csrf_failure'
INTERNAL_IPS 
()
LOGIN_REDIRECT_URL 
'/accounts/profile/'
CSRF_COOKIE_HTTPONLY 
False
TEMPLATE_DIRS 
()
USE_X_FORWARDED_HOST 
False
CACHE_MIDDLEWARE_SECONDS 
600
FILE_UPLOAD_PERMISSIONS 
None
DEFAULT_INDEX_TABLESPACE 
''
ABSOLUTE_URL_OVERRIDES 
{}
TEST_NON_SERIALIZED_APPS 
[]
SESSION_COOKIE_NAME 
'sessionid'
MANAGERS 
()
LANGUAGE_COOKIE_PATH 
'/'
DEBUG 
True
CSRF_COOKIE_AGE 
31449600
FILE_UPLOAD_HANDLERS 
('django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler')
FILE_UPLOAD_TEMP_DIR 
None
APPEND_SLASH 
True
DATETIME_FORMAT 
'N j, Y, P'
MEDIA_ROOT 
''
CACHE_MIDDLEWARE_ALIAS 
'default'
NUMBER_GROUPING 
0
CSRF_COOKIE_PATH 
'/'
SECURE_HSTS_SECONDS 
0
PASSWORD_HASHERS 
'********************'
DEFAULT_TABLESPACE 
''
CSRF_COOKIE_DOMAIN 
None
LANGUAGE_CODE 
'en-us'
STATICFILES_FINDERS 
('django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder')
USE_L10N 
True
LANGUAGE_COOKIE_DOMAIN 
None
DATE_INPUT_FORMATS 
('%Y-%m-%d',
 '%m/%d/%Y',
 '%m/%d/%y',
 '%b %d %Y',
 '%b %d, %Y',
 '%d %b %Y',
 '%d %b, %Y',
 '%B %d %Y',
 '%B %d, %Y',
 '%d %B %Y',
 '%d %B, %Y')
SECURE_SSL_REDIRECT 
False
CACHES 
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
X_FRAME_OPTIONS 
'SAMEORIGIN'
EMAIL_SSL_CERTFILE 
None
LOGGING 
{}
BASE_DIR 
'/home/yidnekachew/Projects/Django/perfman2'
EMAIL_USE_TLS 
False
SESSION_SERIALIZER 
'django.contrib.sessions.serializers.JSONSerializer'
EMAIL_SUBJECT_PREFIX 
'[Django] '
SECURE_HSTS_INCLUDE_SUBDOMAINS 
False
THOUSAND_SEPARATOR 
','
USE_ETAGS 
False
MEDIA_URL 
''
DEFAULT_FILE_STORAGE 
'django.core.files.storage.FileSystemStorage'
EMAIL_USE_SSL 
False
EMAIL_HOST_USER 
''
DATABASE_ROUTERS 
[]
TEMPLATE_STRING_IF_INVALID 
''
SECURE_REDIRECT_EXEMPT 
[]
EMAIL_SSL_KEYFILE 
'********************'
LANGUAGE_COOKIE_NAME 
'django_language'
LANGUAGES 
(('af', 'Afrikaans'),
 ('ar', 'Arabic'),
 ('ast', 'Asturian'),
 ('az', 'Azerbaijani'),
 ('bg', 'Bulgarian'),
 ('be', 'Belarusian'),
 ('bn', 'Bengali'),
 ('br', 'Breton'),
 ('bs', 'Bosnian'),
 ('ca', 'Catalan'),
 ('cs', 'Czech'),
 ('cy', 'Welsh'),
 ('da', 'Danish'),
 ('de', 'German'),
 ('el', 'Greek'),
 ('en', 'English'),
 ('en-au', 'Australian English'),
 ('en-gb', 'British English'),
 ('eo', 'Esperanto'),
 ('es', 'Spanish'),
 ('es-ar', 'Argentinian Spanish'),
 ('es-mx', 'Mexican Spanish'),
 ('es-ni', 'Nicaraguan Spanish'),
 ('es-ve', 'Venezuelan Spanish'),
 ('et', 'Estonian'),
 ('eu', 'Basque'),
 ('fa', 'Persian'),
 ('fi', 'Finnish'),
 ('fr', 'French'),
 ('fy', 'Frisian'),
 ('ga', 'Irish'),
 ('gl', 'Galician'),
 ('he', 'Hebrew'),
 ('hi', 'Hindi'),
 ('hr', 'Croatian'),
 ('hu', 'Hungarian'),
 ('ia', 'Interlingua'),
 ('id', 'Indonesian'),
 ('io', 'Ido'),
 ('is', 'Icelandic'),
 ('it', 'Italian'),
 ('ja', 'Japanese'),
 ('ka', 'Georgian'),
 ('kk', 'Kazakh'),
 ('km', 'Khmer'),
 ('kn', 'Kannada'),
 ('ko', 'Korean'),
 ('lb', 'Luxembourgish'),
 ('lt', 'Lithuanian'),
 ('lv', 'Latvian'),
 ('mk', 'Macedonian'),
 ('ml', 'Malayalam'),
 ('mn', 'Mongolian'),
 ('mr', 'Marathi'),
 ('my', 'Burmese'),
 ('nb', 'Norwegian Bokmal'),
 ('ne', 'Nepali'),
 ('nl', 'Dutch'),
 ('nn', 'Norwegian Nynorsk'),
 ('os', 'Ossetic'),
 ('pa', 'Punjabi'),
 ('pl', 'Polish'),
 ('pt', 'Portuguese'),
 ('pt-br', 'Brazilian Portuguese'),
 ('ro', 'Romanian'),
 ('ru', 'Russian'),
 ('sk', 'Slovak'),
 ('sl', 'Slovenian'),
 ('sq', 'Albanian'),
 ('sr', 'Serbian'),
 ('sr-latn', 'Serbian Latin'),
 ('sv', 'Swedish'),
 ('sw', 'Swahili'),
 ('ta', 'Tamil'),
 ('te', 'Telugu'),
 ('th', 'Thai'),
 ('tr', 'Turkish'),
 ('tt', 'Tatar'),
 ('udm', 'Udmurt'),
 ('uk', 'Ukrainian'),
 ('ur', 'Urdu'),
 ('vi', 'Vietnamese'),
 ('zh-cn', 'Simplified Chinese'),
 ('zh-hans', 'Simplified Chinese'),
 ('zh-hant', 'Traditional Chinese'),
 ('zh-tw', 'Traditional Chinese'))
AUTH_USER_MODEL 
'auth.User'
SECURE_PROXY_SSL_HEADER 
None
LOCALE_PATHS 
()
FILE_UPLOAD_MAX_MEMORY_SIZE 
2621440
PASSWORD_RESET_TIMEOUT_DAYS 
'********************'
FORMAT_MODULE_PATH 
None
DEFAULT_CHARSET 
'utf-8'
ALLOWED_INCLUDE_ROOTS 
()
DEFAULT_CONTENT_TYPE 
'text/html'
TEMPLATE_DEBUG 
False
EMAIL_PORT 
25
ALLOWED_HOSTS 
[]
FILE_CHARSET 
'utf-8'
DECIMAL_SEPARATOR 
'.'
STATIC_URL 
'/static/'
EMAIL_HOST 
'localhost'
FIXTURE_DIRS 
()
LANGUAGES_BIDI 
('he', 'ar', 'fa', 'ur')
DEFAULT_FROM_EMAIL 
'webmaster@localhost'
EMAIL_HOST_PASSWORD 
'********************'
DEFAULT_EXCEPTION_REPORTER_FILTER 
'django.views.debug.SafeExceptionReporterFilter'
TEMPLATES 
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': ['/home/yidnekachew/Projects/Django/perfman2/templates'],
  'OPTIONS': {'context_processors': ['django.template.context_processors.debug',
                                     'django.template.context_processors.request',
                                     'django.contrib.auth.context_processors.auth',
                                     'django.contrib.messages.context_processors.messages']}}]
DATETIME_INPUT_FORMATS 
('%Y-%m-%d %H:%M:%S',
 '%Y-%m-%d %H:%M:%S.%f',
 '%Y-%m-%d %H:%M',
 '%Y-%m-%d',
 '%m/%d/%Y %H:%M:%S',
 '%m/%d/%Y %H:%M:%S.%f',
 '%m/%d/%Y %H:%M',
 '%m/%d/%Y',
 '%m/%d/%y %H:%M:%S',
 '%m/%d/%y %H:%M:%S.%f',
 '%m/%d/%y %H:%M',
 '%m/%d/%y')
SESSION_COOKIE_SECURE 
False
SERVER_EMAIL 
'root@localhost'
STATICFILES_STORAGE 
'django.contrib.staticfiles.storage.StaticFilesStorage'
DEBUG_PROPAGATE_EXCEPTIONS 
False
TIME_INPUT_FORMATS 
('%H:%M:%S', '%H:%M:%S.%f', '%H:%M')
SESSION_COOKIE_DOMAIN 
None
SECURE_SSL_HOST 
None
TIME_FORMAT 
'P'
DATE_FORMAT 
'N j, Y'
DISALLOWED_USER_AGENTS 
()
USE_THOUSAND_SEPARATOR 
False
ROOT_URLCONF 
'perfman.urls'
IGNORABLE_404_URLS 
()
USE_I18N 
True
AUTHENTICATION_BACKENDS 
('django.contrib.auth.backends.ModelBackend',)
SESSION_SAVE_EVERY_REQUEST 
False
TIME_ZONE 
'UTC'
STATIC_ROOT 
None
SIGNING_BACKEND 
'django.core.signing.TimestampSigner'
TEST_RUNNER 
'django.test.runner.DiscoverRunner'
WSGI_APPLICATION 
'perfman.wsgi.application'
PREPEND_WWW 
False
SESSION_COOKIE_HTTPONLY 
True
SESSION_ENGINE 
'django.contrib.sessions.backends.db'
CSRF_COOKIE_NAME 
'csrftoken'
SHORT_DATETIME_FORMAT 
'm/d/Y P'
YEAR_MONTH_FORMAT 
'F Y'
TEMPLATE_CONTEXT_PROCESSORS 
('django.contrib.auth.context_processors.auth',
 'django.template.context_processors.debug',
 'django.template.context_processors.i18n',
 'django.template.context_processors.media',
 'django.template.context_processors.static',
 'django.template.context_processors.tz',
 'django.contrib.messages.context_processors.messages')
SESSION_CACHE_ALIAS 
'default'
FORCE_SCRIPT_NAME 
None
SESSION_COOKIE_AGE 
1209600
SECURE_CONTENT_TYPE_NOSNIFF 
False
MIDDLEWARE_CLASSES 
('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',
 'django.middleware.security.SecurityMiddleware')
MONTH_DAY_FORMAT 
'F j'
CSRF_COOKIE_SECURE 
False
SECRET_KEY 
'********************'
LOGIN_URL 
'/accounts/login/'
DATABASES 
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.mysql',
             'HOST': '',
             'NAME': 'perfman2',
             'OPTIONS': {},
             'PASSWORD': '********************',
             'PORT': '3306',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': 'UTC',
             'USER': 'root'}}
SETTINGS_MODULE 
'perfman.settings'
ADMINS 
()
SESSION_COOKIE_PATH 
'/'
MIGRATION_MODULES 
{}
TEMPLATE_LOADERS 
('django.template.loaders.filesystem.Loader',
 'django.template.loaders.app_directories.Loader')
EMAIL_BACKEND 
'django.core.mail.backends.smtp.EmailBackend'
SILENCED_SYSTEM_CHECKS 
[]
LOGGING_CONFIG 
'logging.config.dictConfig'
FILE_UPLOAD_DIRECTORY_PERMISSIONS 
None
STATICFILES_DIRS 
()
LOGOUT_URL 
'/accounts/logout/'
FIRST_DAY_OF_WEEK 
0
LANGUAGE_COOKIE_AGE 
None
CACHE_MIDDLEWARE_KEY_PREFIX 
'********************'
SHORT_DATE_FORMAT 
'm/d/Y'
USE_TZ 
True
SECURE_BROWSER_XSS_FILTER 
False
EMAIL_TIMEOUT 
None
SESSION_EXPIRE_AT_BROWSER_CLOSE 
False
INSTALLED_APPS 
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'hrm')

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard page generated by the handler for this status code.