TypeError at /category/books

object of type 'NoneType' has no len()
Request Method: GET
Request URL: http://bilgeinsansam.com/category/books
Django Version: 3.2
Exception Type: TypeError
Exception Value:
object of type 'NoneType' has no len()
Exception Location: /home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/django/core/paginator.py, line 98, in count
Python Executable: /home/ayturan_01/thinktank/new_venw/bin/python
Python Version: 3.8.10
Python Path:
['/home/ayturan_01/thinktank',
 '/home/ayturan_01/thinktank/new_venw/bin',
 '/usr/lib/python38.zip',
 '/usr/lib/python3.8',
 '/usr/lib/python3.8/lib-dynload',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/odf',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/odf',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/odf',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/odf',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/odf',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/odf',
 '/home/ayturan_01/thinktank/new_venw/lib/python3.8/site-packages/odf']
Server time: Thu, 28 Mar 2024 13:41:18 +0000

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_ACCEPT_ENCODING
'gzip, br'
HTTP_CDN_LOOP
'cloudflare'
HTTP_CF_CONNECTING_IP
'44.204.65.189'
HTTP_CF_IPCOUNTRY
'US'
HTTP_CF_RAY
'86b80975ae718203-FRA'
HTTP_CF_VISITOR
'{"scheme":"https"}'
HTTP_CONNECTION
'close'
HTTP_HOST
'bilgeinsansam.com'
HTTP_USER_AGENT
'claudebot'
HTTP_X_FORWARDED_FOR
'44.204.65.189, 172.70.243.124'
HTTP_X_FORWARDED_PROTO
'http'
HTTP_X_REAL_IP
'172.70.243.124'
PATH_INFO
'/category/books'
QUERY_STRING
''
RAW_URI
'/category/books'
REMOTE_ADDR
''
REQUEST_METHOD
'GET'
SCRIPT_NAME
''
SERVER_NAME
'bilgeinsansam.com'
SERVER_PORT
'80'
SERVER_PROTOCOL
'HTTP/1.0'
SERVER_SOFTWARE
'gunicorn/20.1.0'
gunicorn.socket
<socket.socket fd=9, family=AddressFamily.AF_UNIX, type=SocketKind.SOCK_STREAM, proto=0, laddr=/home/ayturan_01/thinktank/thinktank.sock>
wsgi.errors
<gunicorn.http.wsgi.WSGIErrorsWrapper object at 0x7f4fa112d1c0>
wsgi.file_wrapper
<class 'gunicorn.http.wsgi.FileWrapper'>
wsgi.input
<gunicorn.http.body.Body object at 0x7f4fa11e4df0>
wsgi.input_terminated
True
wsgi.multiprocess
True
wsgi.multithread
False
wsgi.run_once
False
wsgi.url_scheme
'http'
wsgi.version
(1, 0)

Settings

Using settings module thinktank.settings

Setting Value
ABSOLUTE_URL_OVERRIDES
{}
ADMINS
[]
ALLOWED_HOSTS
['139.59.138.178', '*']
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS
'********************'
AUTH_USER_MODEL
'auth.User'
BASE_DIR
PosixPath('/home/ayturan_01/thinktank')
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': 'div,autolink,autoembed,embedsemantic,autogrow,widget,lineutils,clipboard,dialog,dialogui,elementspath',
             'skin': 'moono',
             'tabSpaces': 4,
             'toolbar': 'YouCustomToolbarConfig',
             'toolbar_Basic': [['Source', '-', 'Bold', 'Italic']],
             'toolbar_YouCustomToolbarConfig': [{'items': ['Source',
                                                           '-',
                                                           'Save',
                                                           'NewPage',
                                                           'Preview',
                                                           'Print',
                                                           '-',
                                                           'Templates'],
                                                 'name': 'document'},
                                                {'items': ['Cut',
                                                           'Copy',
                                                           'Paste',
                                                           'PasteText',
                                                           'PasteFromWord',
                                                           '-',
                                                           'Undo',
                                                           'Redo'],
                                                 'name': 'clipboard'},
                                                {'items': ['Find',
                                                           'Replace',
                                                           '-',
                                                           'SelectAll'],
                                                 'name': 'editing'},
                                                {'items': ['Form',
                                                           'Checkbox',
                                                           'Radio',
                                                           'TextField',
                                                           'Textarea',
                                                           'Select',
                                                           'Button',
                                                           'ImageButton',
                                                           'HiddenField'],
                                                 'name': 'forms'},
                                                '/',
                                                {'items': ['Bold',
                                                           'Italic',
                                                           'Underline',
                                                           'Strike',
                                                           'Subscript',
                                                           'Superscript',
                                                           '-',
                                                           'RemoveFormat'],
                                                 'name': 'basicstyles'},
                                                {'items': ['NumberedList',
                                                           'BulletedList',
                                                           '-',
                                                           'Outdent',
                                                           'Indent',
                                                           '-',
                                                           'Blockquote',
                                                           'CreateDiv',
                                                           '-',
                                                           'JustifyLeft',
                                                           'JustifyCenter',
                                                           'JustifyRight',
                                                           'JustifyBlock',
                                                           '-',
                                                           'BidiLtr',
                                                           'BidiRtl',
                                                           'Language'],
                                                 'name': 'paragraph'},
                                                {'items': ['Link',
                                                           'Unlink',
                                                           'Anchor'],
                                                 'name': 'links'},
                                                {'items': ['Image',
                                                           'Flash',
                                                           'Table',
                                                           'HorizontalRule',
                                                           'Smiley',
                                                           'SpecialChar',
                                                           'PageBreak',
                                                           'Iframe'],
                                                 'name': 'insert'},
                                                '/',
                                                {'items': ['Styles',
                                                           'Format',
                                                           'Font',
                                                           'FontSize'],
                                                 'name': 'styles'},
                                                {'items': ['TextColor',
                                                           'BGColor'],
                                                 'name': 'colors'},
                                                {'items': ['Maximize',
                                                           'ShowBlocks'],
                                                 'name': 'tools'},
                                                {'items': ['About'],
                                                 'name': 'about'},
                                                '/',
                                                {'items': ['Preview',
                                                           'Maximize'],
                                                 'name': 'youcustomtools'}]}}
CKEDITOR_JQUERY_URL
'//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js'
CKEDITOR_UPLOAD_PATH
'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.postgresql_psycopg2',
             'HOST': 'localhost',
             'NAME': 'thinktank',
             'OPTIONS': {},
             'PASSWORD': '********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIGRATE': True,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': 'postgress'}}
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
'N j, Y'
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_AUTO_FIELD
'django.db.models.BigAutoField'
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
[]
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
[]
IMAGEKIT_CACHEFILE_DIR
'CACHE/images'
IMAGEKIT_CACHEFILE_NAMER
'imagekit.cachefiles.namers.hash'
IMAGEKIT_CACHE_BACKEND
'default'
IMAGEKIT_CACHE_PREFIX
'imagekit:'
IMAGEKIT_CACHE_TIMEOUT
300
IMAGEKIT_DEFAULT_CACHEFILE_BACKEND
'imagekit.cachefiles.backends.Simple'
IMAGEKIT_DEFAULT_CACHEFILE_STRATEGY
'imagekit.cachefiles.strategies.JustInTime'
IMAGEKIT_DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
IMAGEKIT_SPEC_CACHEFILE_NAMER
'imagekit.cachefiles.namers.source_name_as_path'
IMAGEKIT_USE_MEMCACHED_SAFE_CACHE_KEY
'********************'
INSTALLED_APPS
['jazzmin',
 'django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.sites',
 'django.contrib.flatpages',
 'rosetta',
 'core',
 'slider',
 'article',
 'pdf',
 'video',
 'people',
 'modeltranslation',
 'ckeditor',
 'ckeditor_uploader',
 'import_export',
 'footer']
INTERNAL_IPS
[]
JAZZMIN_SETTINGS
{'copyright': 'Sevdimali İsayev',
 'icons': {'article.Article': 'fas fa-newspaper',
           'auth': 'fas fa-users-cog',
           'auth.Group': 'fas fa-users',
           'auth.user': 'fas fa-user',
           'author.Author': 'fas fa-user-edit',
           'core.Ads': 'fas fa-ad',
           'core.Category': 'fas fa-bookmark',
           'core.MenuBaseItems': 'fas fa-cube',
           'core.MenuSubItems': 'fas fa-cubes',
           'core.Subcription': 'fas fa-envelope-open-text',
           'core.Trend': 'fas fa-sort-amount-up-alt',
           'pdf.PDF': 'fas fa-file-pdf',
           'slider.Slider': 'fas fa-exchange-alt',
           'video.Video': 'fab fa-youtube'},
 'language_chooser': True,
 'navigation_expanded': True,
 'show_sidebar': True,
 'site_header': 'domain.com',
 'site_title': 'domain.com Admin',
 'welcome_sign': 'Admin panel'}
LANGUAGES
(('tr', 'assets/images/flag_tr.png'), ('en', 'assets/images/flag_en.png'))
LANGUAGES_BIDI
['he', 'ar', 'ar-dz', 'fa', 'ur']
LANGUAGE_CODE
'tr'
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/ayturan_01/thinktank/locale',)
LOGGING
{}
LOGGING_CONFIG
'logging.config.dictConfig'
LOGIN_REDIRECT_URL
'/accounts/profile/'
LOGIN_URL
'/accounts/login/'
LOGOUT_REDIRECT_URL
None
MANAGERS
[]
MEDIA_ROOT
'/home/ayturan_01/thinktank/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
'tr'
MONTH_DAY_FORMAT
'F j'
NUMBER_GROUPING
0
PASSWORD_HASHERS
'********************'
PASSWORD_RESET_TIMEOUT
'********************'
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
PREPEND_WWW
False
ROOT_URLCONF
'thinktank.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
'thinktank.settings'
SHORT_DATETIME_FORMAT
'm/d/Y P'
SHORT_DATE_FORMAT
'm/d/Y'
SIGNING_BACKEND
'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS
[]
SITE_ID
1
STATICFILES_DIRS
('/home/ayturan_01/thinktank/static',)
STATICFILES_FINDERS
['django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE
'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT
None
STATIC_URL
'/static/'
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': [PosixPath('/home/ayturan_01/thinktank/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',
                                     'django.template.context_processors.i18n',
                                     'core.context_processors.menu_elements'],
              'libraries': {'staticfiles': 'django.templatetags.static'}}}]
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
'UTC'
USE_I18N
True
USE_L10N
True
USE_THOUSAND_SEPARATOR
False
USE_TZ
True
USE_X_FORWARDED_HOST
False
USE_X_FORWARDED_PORT
False
WSGI_APPLICATION
'thinktank.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.