TypeError at /en/research/the-natural-decomposition-approach/

sequence item 1: expected str instance, list found
Request Method: GET
Request URL: http://127.0.0.1:8000/en/research/the-natural-decomposition-approach/
Django Version: 1.9.13
Exception Type: TypeError
Exception Value:
sequence item 1: expected str instance, list found
Exception Location: /var/www/myenv/lib/python3.4/site-packages/parler/views.py in get_object, line 167
Python Executable: /var/www/myenv/bin/python3
Python Version: 3.4.3
Python Path:
['/var/www/labunam',
 '/var/www/myenv/bin',
 '/var/www/myenv/lib/python3.4',
 '/var/www/myenv/lib/python3.4/plat-i386-linux-gnu',
 '/var/www/myenv/lib/python3.4/lib-dynload',
 '/usr/lib/python3.4',
 '/usr/lib/python3.4/plat-i386-linux-gnu',
 '/var/www/myenv/lib/python3.4/site-packages']
Server time: Fri, 29 Mar 2024 07:46:38 +0000

Traceback Switch to copy-and-paste view



Request information

GET

No GET data

POST

No POST data

FILES

No FILES data

No cookie data

META

Variable Value
wsgi.errors
<gunicorn.http.wsgi.WSGIErrorsWrapper object at 0xb5afe46c>
SERVER_PROTOCOL
'HTTP/1.0'
HTTP_X_FORWARDED_HOST
'freyrelab.org'
SERVER_NAME
'127.0.0.1'
SERVER_SOFTWARE
'gunicorn/19.7.1'
wsgi.url_scheme
'http'
HTTP_USER_AGENT
'claudebot'
PATH_INFO
'/en/research/the-natural-decomposition-approach/'
HTTP_ACCEPT
'*/*'
REMOTE_PORT
'52896'
RAW_URI
'/en/research/the-natural-decomposition-approach/'
gunicorn.socket
<socket.socket fd=10, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0, laddr=('127.0.0.1', 8000), raddr=('127.0.0.1', 52896)>
wsgi.multiprocess
False
wsgi.file_wrapper
''
wsgi.multithread
False
QUERY_STRING
''
HTTP_CONNECTION
'close'
wsgi.version
(1, 0)
SERVER_PORT
'8000'
SCRIPT_NAME
''
wsgi.run_once
False
REQUEST_METHOD
'GET'
HTTP_X_REAL_IP
'44.192.38.143'
REMOTE_ADDR
'127.0.0.1'
HTTP_HOST
'127.0.0.1:8000'
wsgi.input
<gunicorn.http.body.Body object at 0xb5afe3ac>

Settings

Using settings module unam.settings

Setting Value
INSTALLED_APPS
['django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'unam.apps.home',
 'unam.apps.equipo_trabajo',
 'unam.apps.lineas_investigacion',
 'unam.apps.publicacion',
 'unam.apps.software_databases',
 'unam.apps.noticias',
 'unam.apps.contacto',
 'unam.apps.slider',
 'unam.apps.carousel_logos',
 'autoslug',
 'django_summernote',
 'parler',
 'ckeditor',
 'ckeditor_uploader',
 'django_cleanup']
TEST_NON_SERIALIZED_APPS
[]
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']
FORCE_SCRIPT_NAME
None
SESSION_FILE_PATH
None
CACHES
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
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']
FILE_UPLOAD_TEMP_DIR
None
SECURE_PROXY_SSL_HEADER
None
PARLER_DEFAULT_LANGUAGE_CODE
'es'
FILE_UPLOAD_MAX_MEMORY_SIZE
2621440
FIRST_DAY_OF_WEEK
0
CACHE_MIDDLEWARE_KEY_PREFIX
'********************'
LOGGING_CONFIG
'logging.config.dictConfig'
INTERNAL_IPS
[]
CSRF_FAILURE_VIEW
'django.views.csrf.csrf_failure'
CSRF_COOKIE_PATH
'/'
STATIC_ROOT
'/opt/statics/unam/'
CACHE_MIDDLEWARE_SECONDS
600
STATIC_URL
'/static/'
TIME_ZONE
'UTC'
USE_THOUSAND_SEPARATOR
False
MONTH_DAY_FORMAT
'F j'
CKEDITOR_UPLOAD_PATH
'uploads/'
STATICFILES_DIRS
('/var/www/labunam/static',)
EMAIL_PORT
587
LOGOUT_URL
'/accounts/logout/'
TEMPLATE_STRING_IF_INVALID
''
YEAR_MONTH_FORMAT
'F Y'
THOUSAND_SEPARATOR
','
GOOGLE_RECAPTCHA_SECRET_KEY
'********************'
EMAIL_BACKEND
'django.core.mail.backends.smtp.EmailBackend'
LANGUAGES
(('es',
  <django.utils.functional.lazy.<locals>.__proxy__ object at 0xb67e3e4c>),
 ('en',
  <django.utils.functional.lazy.<locals>.__proxy__ object at 0xb67e3eac>))
FILE_UPLOAD_DIRECTORY_PERMISSIONS
None
SECURE_SSL_HOST
None
EMAIL_USE_TLS
True
FORMAT_MODULE_PATH
None
ADMINS
[]
SESSION_COOKIE_AGE
1209600
BASE_DIR
'/var/www/labunam'
USE_I18N
True
TEMPLATE_LOADERS
['django.template.loaders.filesystem.Loader',
 'django.template.loaders.app_directories.Loader']
WSGI_APPLICATION
'unam.wsgi.application'
DISALLOWED_USER_AGENTS
[]
SESSION_CACHE_ALIAS
'default'
STATICFILES_STORAGE
'django.contrib.staticfiles.storage.StaticFilesStorage'
SETTINGS_MODULE
'unam.settings'
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
SECURE_BROWSER_XSS_FILTER
False
SESSION_SERIALIZER
'django.contrib.sessions.serializers.JSONSerializer'
SECURE_HSTS_SECONDS
0
CSRF_HEADER_NAME
'HTTP_X_CSRFTOKEN'
EMAIL_SSL_CERTFILE
None
DEFAULT_CONTENT_TYPE
'text/html'
CACHE_MIDDLEWARE_ALIAS
'default'
LOGIN_REDIRECT_URL
'/accounts/profile/'
SESSION_COOKIE_NAME
'sessionid'
TEMPLATE_DEBUG
False
SHORT_DATETIME_FORMAT
'm/d/Y P'
DATETIME_FORMAT
'N j, Y, P'
SESSION_ENGINE
'django.contrib.sessions.backends.db'
MESSAGE_STORAGE
'django.contrib.messages.storage.fallback.FallbackStorage'
IGNORABLE_404_URLS
[]
SUMMERNOTE_CONFIG
{'attachment_filesize_limit': 16192576}
MIGRATION_MODULES
{}
FILE_UPLOAD_PERMISSIONS
None
EMAIL_SSL_KEYFILE
'********************'
SERVER_EMAIL
'root@localhost'
LOGIN_URL
'/accounts/login/'
LANGUAGE_COOKIE_NAME
'django_language'
EMAIL_SUBJECT_PREFIX
'[Django] '
DEFAULT_TABLESPACE
''
DEFAULT_INDEX_TABLESPACE
''
DEBUG
True
MEDIA_URL
'/media/'
MIDDLEWARE_CLASSES
['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.auth.middleware.SessionAuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware']
USE_L10N
True
EMAIL_HOST_PASSWORD
'********************'
SESSION_COOKIE_SECURE
False
CKEDITOR_IMAGE_BACKEND
'pillow'
ALLOWED_INCLUDE_ROOTS
[]
SOLID_I18N_PREFIX_STRICT
True
DEBUG_PROPAGATE_EXCEPTIONS
False
DECIMAL_SEPARATOR
'.'
CSRF_TRUSTED_ORIGINS
[]
LOGGING
{}
LANGUAGE_CODE
'es'
USE_TZ
True
SESSION_EXPIRE_AT_BROWSER_CLOSE
False
FILE_UPLOAD_HANDLERS
['django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler']
STATICFILES_FINDERS
['django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
SECURE_SSL_REDIRECT
False
CSRF_COOKIE_NAME
'csrftoken'
CSRF_COOKIE_AGE
31449600
EMAIL_HOST_USER
'scholatek.server@gmail.com'
CSRF_COOKIE_HTTPONLY
False
LANGUAGE_COOKIE_DOMAIN
None
FILE_CHARSET
'utf-8'
LANGUAGES_BIDI
['he', 'ar', 'fa', 'ur']
DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
TEST_RUNNER
'django.test.runner.DiscoverRunner'
TEMPLATE_DIRS
[]
DEFAULT_FROM_EMAIL
'webmaster@localhost'
SECRET_KEY
'********************'
USE_X_FORWARDED_HOST
False
CSRF_COOKIE_DOMAIN
None
FIXTURE_DIRS
[]
USE_X_FORWARDED_PORT
False
SESSION_SAVE_EVERY_REQUEST
False
DATABASE_ROUTERS
[]
LANGUAGE_COOKIE_PATH
'/'
CSRF_COOKIE_SECURE
False
PREPEND_WWW
False
AUTHENTICATION_BACKENDS
['django.contrib.auth.backends.ModelBackend']
MANAGERS
[]
EMAIL_HOST
'smtp.gmail.com'
EMAIL_TIMEOUT
None
DATE_FORMAT
'N j, Y'
TIME_FORMAT
'P'
DATABASES
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.postgresql_psycopg2',
             'HOST': 'localhost',
             'NAME': 'unam_db',
             'OPTIONS': {},
             'PASSWORD': '********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': 'unam'}}
SESSION_COOKIE_PATH
'/'
CKEDITOR_UPLOAD_SLUGIFY_FILENAME
False
NUMBER_GROUPING
0
SESSION_COOKIE_DOMAIN
None
APPEND_SLASH
True
CKEDITOR_CONFIGS
{'default': {'toolbar': None}}
SHORT_DATE_FORMAT
'm/d/Y'
SECURE_CONTENT_TYPE_NOSNIFF
False
LANGUAGE_COOKIE_AGE
None
ABSOLUTE_URL_OVERRIDES
{}
PASSWORD_HASHERS
'********************'
SECURE_REDIRECT_EXEMPT
[]
SIGNING_BACKEND
'django.core.signing.TimestampSigner'
SESSION_COOKIE_HTTPONLY
True
SILENCED_SYSTEM_CHECKS
[]
ROOT_URLCONF
'unam.urls'
PARLER_LANGUAGES
{None: ({'code': 'es', 'fallbacks': [['es']], 'hide_untranslated': False},
        {'code': 'en', 'fallbacks': [['es']], 'hide_untranslated': False}),
 'default': {'code': 'es', 'fallbacks': [['es']], 'hide_untranslated': False}}
DEFAULT_CHARSET
'utf-8'
X_FRAME_OPTIONS
'SAMEORIGIN'
ALLOWED_HOSTS
['127.0.0.1']
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']
TIME_INPUT_FORMATS
['%H:%M:%S', '%H:%M:%S.%f', '%H:%M']
DEFAULT_EXCEPTION_REPORTER_FILTER
'django.views.debug.SafeExceptionReporterFilter'
USE_ETAGS
False
EMAIL_USE_SSL
False
MEDIA_ROOT
'/var/www/labunam/media'
AUTH_PASSWORD_VALIDATORS
'********************'
LOCALE_PATHS
('/var/www/labunam/locale',)
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': ['/var/www/labunam/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.core.context_processors.media',
                                     'unam.context_processors.context_home',
                                     'unam.context_processors.context_inve']}}]
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
AUTH_USER_MODEL
'auth.User'

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.