TypeError at /lang/en

argument of type 'NoneType' is not iterable
Request Method: GET
Request URL: https://hippo.mn/lang/en
Django Version: 3.1.5
Exception Type: TypeError
Exception Value:
argument of type 'NoneType' is not iterable
Exception Location: /root/hippo/lib/python3.6/site-packages/django/shortcuts.py, line 137, in resolve_url
Python Executable: /root/hippo/bin/python
Python Version: 3.6.9
Python Path:
['/home/hippo',
 '/root/hippo/bin',
 '/usr/lib/python36.zip',
 '/usr/lib/python3.6',
 '/usr/lib/python3.6/lib-dynload',
 '/root/hippo/lib/python3.6/site-packages']
Server time: Thu, 28 Mar 2024 16:55:21 +0800

Traceback Switch to copy-and-paste view



Request information

USER

AnonymousUser

GET

No GET data

POST

No POST data

FILES

No FILES data

No cookie data

META

Variable Value
HTTP_ACCEPT
'*/*'
HTTP_CONNECTION
'close'
HTTP_HOST
'hippo.mn'
HTTP_USER_AGENT
'claudebot'
HTTP_X_FORWARDED_FOR
'44.204.94.166'
HTTP_X_FORWARDED_PROTO
'https'
HTTP_X_REAL_IP
'44.204.94.166'
PATH_INFO
'/lang/en'
QUERY_STRING
''
RAW_URI
'/lang/en'
REMOTE_ADDR
''
REQUEST_METHOD
'GET'
SCRIPT_NAME
''
SERVER_NAME
'hippo.mn'
SERVER_PORT
'443'
SERVER_PROTOCOL
'HTTP/1.0'
SERVER_SOFTWARE
'gunicorn/20.0.4'
gunicorn.socket
<socket.socket fd=12, family=AddressFamily.AF_UNIX, type=SocketKind.SOCK_STREAM, proto=0, laddr=/home/hippo/hippo.sock>
wsgi.errors
<gunicorn.http.wsgi.WSGIErrorsWrapper object at 0x7f04ac957e80>
wsgi.file_wrapper
<class 'gunicorn.http.wsgi.FileWrapper'>
wsgi.input
<gunicorn.http.body.Body object at 0x7f04ac96a9b0>
wsgi.input_terminated
True
wsgi.multiprocess
True
wsgi.multithread
False
wsgi.run_once
False
wsgi.url_scheme
'https'
wsgi.version
(1, 0)

Settings

Using settings module backend_hippo.settings

Setting Value
ABSOLUTE_URL_OVERRIDES
{}
ADMINS
[]
ALLOWED_HOSTS
['138.197.66.174',
 'localhost',
 'hippo.mn',
 'www.hippo.mn',
 'localhost',
 '192.168.0.170']
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS
'********************'
AUTH_USER_MODEL
'auth.User'
BASE_DIR
'/home/hippo'
CACHES
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS
'default'
CACHE_MIDDLEWARE_KEY_PREFIX
'********************'
CACHE_MIDDLEWARE_SECONDS
600
CKEDITOR_CONFIGS
{'default': {'extraPlugins': 'html5audio', 'toolbar': 'Custom'}}
CKEDITOR_MEDIA_PREFIX
'/media/ckeditor/'
CKEDITOR_UPLOAD_PATH
'/var/www/uploads'
CSRF_COOKIE_AGE
31449600
CSRF_COOKIE_DOMAIN
None
CSRF_COOKIE_HTTPONLY
False
CSRF_COOKIE_NAME
'csrftoken'
CSRF_COOKIE_PATH
'/'
CSRF_COOKIE_SAMESITE
'Lax'
CSRF_COOKIE_SECURE
False
CSRF_FAILURE_VIEW
'django.views.csrf.csrf_failure'
CSRF_HEADER_NAME
'HTTP_X_CSRFTOKEN'
CSRF_TRUSTED_ORIGINS
[]
CSRF_USE_SESSIONS
False
DATABASES
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.mysql',
             'HOST': 'localhost',
             'NAME': 'hippo',
             'OPTIONS': {'charset': 'utf8mb4'},
             'PASSWORD': '********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIGRATE': True,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': 'root'}}
DATABASE_ROUTERS
[]
DATA_UPLOAD_MAX_MEMORY_SIZE
2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS
1000
DATETIME_FORMAT
'N j, Y, P'
DATETIME_INPUT_FORMATS
['%Y-%m-%d %H:%M:%S',
 '%Y-%m-%d %H:%M:%S.%f',
 '%Y-%m-%d %H:%M',
 '%m/%d/%Y %H:%M:%S',
 '%m/%d/%Y %H:%M:%S.%f',
 '%m/%d/%Y %H:%M',
 '%m/%d/%y %H:%M:%S',
 '%m/%d/%y %H:%M:%S.%f',
 '%m/%d/%y %H:%M']
DATE_FORMAT
'Y-m-d'
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']
DEBUG
True
DEBUG_PROPAGATE_EXCEPTIONS
False
DECIMAL_SEPARATOR
'.'
DEFAULT_CHARSET
'utf-8'
DEFAULT_EXCEPTION_REPORTER
'django.views.debug.ExceptionReporter'
DEFAULT_EXCEPTION_REPORTER_FILTER
'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL
'webmaster@localhost'
DEFAULT_HASHING_ALGORITHM
'sha256'
DEFAULT_INDEX_TABLESPACE
''
DEFAULT_TABLESPACE
''
DISALLOWED_USER_AGENTS
[]
DJANGO_WYSIWYG_FLAVOR
'ckeditor'
EMAIL_BACKEND
'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST
'localhost'
EMAIL_HOST_PASSWORD
'********************'
EMAIL_HOST_USER
''
EMAIL_PORT
25
EMAIL_SSL_CERTFILE
None
EMAIL_SSL_KEYFILE
'********************'
EMAIL_SUBJECT_PREFIX
'[Django] '
EMAIL_TIMEOUT
None
EMAIL_USE_LOCALTIME
False
EMAIL_USE_SSL
False
EMAIL_USE_TLS
False
FILE_UPLOAD_DIRECTORY_PERMISSIONS
None
FILE_UPLOAD_HANDLERS
['django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler']
FILE_UPLOAD_MAX_MEMORY_SIZE
2621440
FILE_UPLOAD_PERMISSIONS
420
FILE_UPLOAD_TEMP_DIR
None
FIRST_DAY_OF_WEEK
0
FIXTURE_DIRS
[]
FORCE_SCRIPT_NAME
None
FORMAT_MODULE_PATH
None
FORM_RENDERER
'django.forms.renderers.DjangoTemplates'
IGNORABLE_404_URLS
[]
INSTALLED_APPS
['modeltranslation',
 'news',
 'schools',
 'olympiad',
 'Regitser',
 'django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django_wysiwyg',
 'ckeditor']
INTERNAL_IPS
[]
LANGUAGES
[('mn', 'Mongolian'), ('en', 'English')]
LANGUAGES_BIDI
['he', 'ar', 'ar-dz', 'fa', 'ur']
LANGUAGE_CODE
'mn'
LANGUAGE_COOKIE_AGE
None
LANGUAGE_COOKIE_DOMAIN
None
LANGUAGE_COOKIE_HTTPONLY
False
LANGUAGE_COOKIE_NAME
'django_language'
LANGUAGE_COOKIE_PATH
'/'
LANGUAGE_COOKIE_SAMESITE
None
LANGUAGE_COOKIE_SECURE
False
LOCALE_PATHS
['/home/hippo/locale']
LOGGING
{}
LOGGING_CONFIG
'logging.config.dictConfig'
LOGIN_REDIRECT_URL
'/accounts/profile/'
LOGIN_URL
'/accounts/login/'
LOGOUT_REDIRECT_URL
None
MANAGERS
[]
MEDIA_ROOT
'media'
MEDIA_URL
'/media/'
MESSAGE_STORAGE
'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware']
MIGRATION_MODULES
{}
MODELTRANSLATION_DEFAULT_LANGUAGE
'mn'
MODELTRANSLATION_LANGUAGES
('mn', 'en')
MONTH_DAY_FORMAT
'F j'
NUMBER_GROUPING
0
PASSWORD_HASHERS
'********************'
PASSWORD_RESET_TIMEOUT
'********************'
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
PREPEND_WWW
False
ROOT_URLCONF
'backend_hippo.urls'
SECRET_KEY
'********************'
SECURE_BROWSER_XSS_FILTER
False
SECURE_CONTENT_TYPE_NOSNIFF
True
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
SECURE_HSTS_PRELOAD
False
SECURE_HSTS_SECONDS
0
SECURE_PROXY_SSL_HEADER
None
SECURE_REDIRECT_EXEMPT
[]
SECURE_REFERRER_POLICY
'same-origin'
SECURE_SSL_HOST
None
SECURE_SSL_REDIRECT
False
SERVER_EMAIL
'root@localhost'
SESSION_CACHE_ALIAS
'default'
SESSION_COOKIE_AGE
1209600
SESSION_COOKIE_DOMAIN
None
SESSION_COOKIE_HTTPONLY
True
SESSION_COOKIE_NAME
'sessionid'
SESSION_COOKIE_PATH
'/'
SESSION_COOKIE_SAMESITE
'Lax'
SESSION_COOKIE_SECURE
False
SESSION_ENGINE
'django.contrib.sessions.backends.db'
SESSION_EXPIRE_AT_BROWSER_CLOSE
False
SESSION_FILE_PATH
None
SESSION_SAVE_EVERY_REQUEST
False
SESSION_SERIALIZER
'django.contrib.sessions.serializers.JSONSerializer'
SETTINGS_MODULE
'backend_hippo.settings'
SHORT_DATETIME_FORMAT
'm/d/Y P'
SHORT_DATE_FORMAT
'm/d/Y'
SIGNING_BACKEND
'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS
[]
STATICFILES_DIRS
('static',)
STATICFILES_FINDERS
['django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE
'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT
'/var/www/hippo.mn/static/'
STATIC_URL
'/static/'
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': ['/home/hippo/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',
                                     'olympiad.cont.google',
                                     'django.template.context_processors.i18n']}}]
TEST_NON_SERIALIZED_APPS
[]
TEST_RUNNER
'django.test.runner.DiscoverRunner'
THOUSAND_SEPARATOR
','
TIME_FORMAT
'P'
TIME_INPUT_FORMATS
['%H:%M:%S', '%H:%M:%S.%f', '%H:%M']
TIME_ZONE
'Asia/Ulaanbaatar'
USE_I18N
True
USE_L10N
False
USE_THOUSAND_SEPARATOR
False
USE_TZ
True
USE_X_FORWARDED_HOST
False
USE_X_FORWARDED_PORT
False
WSGI_APPLICATION
'backend_hippo.wsgi.application'
X_FRAME_OPTIONS
'DENY'
YEAR_MONTH_FORMAT
'F Y'

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.