IndexError at /api/bulats/training

Cannot choose from an empty sequence
Request Method: GET
Request URL: http://127.0.0.1:8000/api/bulats/training?lesson=13
Django Version: 1.8.2
Exception Type: IndexError
Exception Value:
Cannot choose from an empty sequence
Exception Location: /home/choclate/documents/projects/web/platform_toeic/env/lib/python3.4/random.py in choice, line 255
Python Executable: /home/choclate/documents/projects/web/platform_toeic/env/bin/python
Python Version: 3.4.3
Python Path:
['/home/choclate/documents/projects/web/platform_toeic',
 '/home/choclate/documents/projects/web/platform_toeic/env/src/django-mailgun-master',
 '/home/choclate/documents/projects/web/platform_toeic/env/lib/python34.zip',
 '/home/choclate/documents/projects/web/platform_toeic/env/lib/python3.4',
 '/home/choclate/documents/projects/web/platform_toeic/env/lib/python3.4/plat-linux',
 '/home/choclate/documents/projects/web/platform_toeic/env/lib/python3.4/lib-dynload',
 '/usr/lib64/python3.4',
 '/usr/lib/python3.4',
 '/usr/lib/python3.4/plat-linux',
 '/home/choclate/documents/projects/web/platform_toeic/env/lib/python3.4/site-packages',
 '/home/choclate/documents/projects/web/platform_toeic']
Server time: Wed, 18 Nov 2015 18:44:37 +0100

Traceback Switch to copy-and-paste view

Request information

GET

Variable Value
lesson
'13'

POST

No POST data

FILES

No FILES data

Variable Value
user_id
'13'
last_request
'2015-11-18 17:44:35.846064+00:00'

META

Variable Value
MAIL
'/var/spool/mail/choclate'
HTTP_ACCEPT_ENCODING
'gzip, deflate'
wsgi.input
<_io.BufferedReader name=10>
SERVER_PROTOCOL
'HTTP/1.1'
REQUEST_METHOD
'GET'
_
'/home/choclate/documents/projects/web/platform_toeic/env/bin/python'
HTTP_HOST
'127.0.0.1:8000'
RUN_MAIN
'true'
LOGNAME
'choclate'
SESSION_MANAGER
'local/choclate:@/tmp/.ICE-unix/882,unix/choclate:/tmp/.ICE-unix/882'
CONTENT_LENGTH
''
DJANGO_SETTINGS_MODULE
'platform_toeic.settings'
HTTP_AUTHORIZATION
'Token cbeddc3eaa1c5076e6846283ee2d1a76755bd303'
SERVER_SOFTWARE
'WSGIServer/0.2'
LANG
'en_US.utf8'
XDG_SESSION_PATH
'/org/freedesktop/DisplayManager/Session0'
WINDOWID
'69206020'
GTK_MODULES
'canberra-gtk-module'
XDG_SEAT
'seat0'
HTTP_USER_AGENT
'Mozilla/5.0 (X11; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0'
ANT_HOME
'/usr/share/apache-ant'
USER
'choclate'
QT_STYLE_OVERRIDE
'gtk'
wsgi.run_once
False
HG
'/usr/bin/hg'
XDG_VTNR
'7'
OLDPWD
'/home/choclate/documents/projects/web'
REMOTE_ADDR
'127.0.0.1'
VIRTUAL_ENV
'/home/choclate/documents/projects/web/platform_toeic/env'
XDG_SESSION_ID
'c2'
ANDROID_SWT
'/usr/share/java'
wsgi.url_scheme
'http'
IBUS_DISABLE_SNOOPER
'1'
SCRIPT_NAME
''
ANDROID_HOME
'/opt/android-sdk'
DESKTOP_SESSION
'xfce'
REMOTE_HOST
''
wsgi.multithread
True
STEAM_RUNTIME
'0'
MOZ_PLUGIN_PATH
'/usr/lib/mozilla/plugins'
wsgi.file_wrapper
''
TZ
'Europe/Paris'
DISPLAY
':0.0'
DBUS_SESSION_BUS_ADDRESS
'unix:abstract=/tmp/dbus-JhG6SyhFDY,guid=731a9357e637213d4a6ee464564c7582'
HTTP_ACCEPT_LANGUAGE
'en-US,en;q=0.5'
XAUTHORITY
'/home/choclate/.Xauthority'
SSH_AGENT_PID
'901'
HOME
'/home/choclate'
BROWSER
'/usr/bin/xdg-open'
SHELL
'/bin/bash'
XDG_SEAT_PATH
'/org/freedesktop/DisplayManager/Seat0'
XDG_GREETER_DATA_DIR
'/var/lib/lightdm-data/choclate'
STEAM_FRAME_FORCE_CLOSE
'1'
SERVER_PORT
'8000'
HTTP_ACCEPT
'application/json, text/plain, */*'
PWD
'/home/choclate/documents/projects/web/platform_toeic'
GDMSESSION
'xfce'
wsgi.version
(1, 0)
HTTP_REFERER
'http://127.0.0.1:9000/training/on?lesson=13'
PS1
('(env)\\[\\033[01;32m\\][\\u@\\h\\[\\033[01;37m\\] '
 '\\W\\[\\033[01;32m\\]]\\$\\[\\033[00m\\] ')
QUERY_STRING
'lesson=13'
SHLVL
'2'
SERVER_NAME
'localhost.localdomain'
XDG_SESSION_TYPE
'x11'
XDG_SESSION_DESKTOP
'xfce'
SSH_AUTH_SOCK
'/tmp/ssh-vdAOv5X1m9sy/agent.900'
HTTP_CONNECTION
'keep-alive'
TERM
'xterm'
HTTP_ORIGIN
'http://127.0.0.1:9000'
XDG_CURRENT_DESKTOP
'XFCE'
COLORTERM
'gnome-terminal'
TERMINATOR_UUID
'urn:uuid:1fce5e3a-cd03-46c3-973c-43ce27a7cb96'
CONTENT_TYPE
'text/plain'
GTK2_RC_FILES
'/home/choclate/.gtkrc-2.0'
PATH
'/home/choclate/documents/projects/web/platform_toeic/env/bin:/usr/lib/hardening-wrapper/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/android-sdk/platform-tools:/opt/android-sdk/tools:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/home/choclate/.gem/ruby/2.2.0/bin:/home/choclate/.gem/ruby/2.2.0/bin'
GATEWAY_INTERFACE
'CGI/1.1'
wsgi.multiprocess
False
CELERY_LOADER
'djcelery.loaders.DjangoLoader'
XDG_RUNTIME_DIR
'/run/user/1000'
LS_COLORS
'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.pdf=00;32:*.ps=00;32:*.txt=00;32:*.patch=00;32:*.diff=00;32:*.log=00;32:*.tex=00;32:*.doc=00;32:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:'
wsgi.errors
<_io.TextIOWrapper name='<stderr>' mode='w' encoding='UTF-8'>
YAOURT_COLORS
'nb=1:pkg=1:ver=1;32:lver=1;45:installed=1;42:grp=1;34:od=1;41;5:votes=1;44:dsc=0:other=1;35'
HTTP_COOKIE
'user_id=13; last_request="2015-11-18 17:44:35.846064+00:00"'
PATH_INFO
'/api/bulats/training'

Settings

Using settings module platform_toeic.settings

Setting Value
LANGUAGE_COOKIE_AGE
None
ABSOLUTE_URL_OVERRIDES
{}
SECURE_BROWSER_XSS_FILTER
False
EMAIL_SSL_CERTFILE
None
EMAIL_SSL_KEYFILE
'********************'
ACCOUNT_EMAIL_VERIFICATION
None
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
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'))
USE_I18N
True
MIDDLEWARE_CLASSES
('django.contrib.sessions.middleware.SessionMiddleware',
 'corsheaders.middleware.CorsMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'exam.middleware.TimeTrackerMiddleware')
CSRF_COOKIE_PATH
'/'
AVAILABLE_EXAMS
['toeic', 'bulats']
DEFAULT_EXCEPTION_REPORTER_FILTER
'django.views.debug.SafeExceptionReporterFilter'
SECURE_REDIRECT_EXEMPT
[]
LOGIN_URL
'/login'
SESSION_EXPIRE_AT_BROWSER_CLOSE
False
SESSION_ENGINE
'django.contrib.sessions.backends.db'
ADMINS
[('Cl�ment Villain', 'choclatefr@gmail.com')]
AUTHENTICATION_BACKENDS
('social.backends.facebook.FacebookOAuth2',
 'social.backends.google.GoogleOAuth2',
 'django.contrib.auth.backends.ModelBackend',
 'allauth.account.auth_backends.AuthenticationBackend')
SESSION_CACHE_ALIAS
'default'
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')
STATIC_URL
'/static/'
DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
FORMAT_MODULE_PATH
None
DEFAULT_TABLESPACE
''
SECURE_SSL_REDIRECT
False
CELERYBEAT_SCHEDULER
'djcelery.schedulers.DatabaseScheduler'
MAILGUN_ACCESS_KEY
'********************'
SWAGGER_SETTINGS
{'api_key': '',
 'api_path': '/',
 'api_version': '0.1',
 'doc_expansion': 'none',
 'enabled_methods': ['get', 'post', 'put', 'patch', 'delete'],
 'exclude_namespaces': [],
 'info': {'contact': 'info@toeic.com',
          'description': 'This a doc for our API ',
          'license': 'Apache 2.0',
          'licenseUrl': 'http://www.apache.org/licenses/LICENSE-2.0.html',
          'termsOfServiceUrl': 'http://helloreverb.com/terms/',
          'title': 'Toeic App'},
 'is_authenticated': False,
 'is_superuser': True,
 'permission_denied_handler': None,
 'template_path': 'rest_framework_swagger/index.html',
 'token_type': 'Token'}
SECURE_SSL_HOST
None
LOGIN_REDIRECT_URL
'/#/'
DATABASES
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.sqlite3',
             'HOST': '',
             'NAME': '/home/choclate/documents/projects/web/platform_toeic/db.sqlite3',
             'OPTIONS': {},
             'PASSWORD': '********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': 'UTC',
             'USER': ''}}
MEDIA_URL
'/media/'
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': ['/home/choclate/documents/projects/web/platform_toeic/templates'],
  'OPTIONS': {'context_processors': ['django.core.context_processors.request',
                                     'allauth.account.context_processors.account',
                                     'allauth.socialaccount.context_processors.socialaccount',
                                     'django.contrib.auth.context_processors.auth',
                                     'django.template.context_processors.debug',
                                     'django.template.context_processors.i18n',
                                     'social.apps.django_app.context_processors.backends',
                                     'social.apps.django_app.context_processors.login_redirect',
                                     'django.template.context_processors.media',
                                     'django.template.context_processors.static',
                                     'django.template.context_processors.tz',
                                     'django.contrib.messages.context_processors.messages']}}]
EMAIL_USE_SSL
False
MONTH_DAY_FORMAT
'F j'
DEFAULT_OBJECTIVES
{'bulats': 75, 'toeic': 750}
SESSION_COOKIE_AGE
1209600
SESSION_SAVE_EVERY_REQUEST
False
EMAIL_HOST
'localhost'
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')
SETTINGS_MODULE
'platform_toeic.settings'
DISALLOWED_USER_AGENTS
()
EMAIL_USE_TLS
False
SITE_ID
1
NUMBER_GROUPING
0
CSRF_FAILURE_VIEW
'django.views.csrf.csrf_failure'
MAILGUN_SERVER_NAME
'sandboxe3c58eeb3c2e4f9a8ac3992708f114b1.mailgun.org'
SECURE_CONTENT_TYPE_NOSNIFF
False
LANGUAGES_BIDI
('he', 'ar', 'fa', 'ur')
CELERY_TIMEZONE
'Europe/Paris'
LOCALE_PATHS
()
LOGGING_CONFIG
'logging.config.dictConfig'
TEMPLATE_STRING_IF_INVALID
''
DATETIME_FORMAT
'N j, Y, P'
YEAR_MONTH_FORMAT
'F Y'
SECRET_KEY
'********************'
PREPEND_WWW
False
USE_THOUSAND_SEPARATOR
False
SESSION_FILE_PATH
None
EMAIL_PORT
25
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')
TEST_NON_SERIALIZED_APPS
[]
FIRST_DAY_OF_WEEK
0
DEFAULT_FROM_EMAIL
'noreply@polylearn.co'
DEFAULT_CONTENT_TYPE
'text/html'
CACHE_MIDDLEWARE_SECONDS
600
LANGUAGE_COOKIE_PATH
'/'
SIGNING_BACKEND
'django.core.signing.TimestampSigner'
MESSAGE_STORAGE
'django.contrib.messages.storage.fallback.FallbackStorage'
CORS_ALLOW_CREDENTIALS
True
CACHE_MIDDLEWARE_ALIAS
'default'
REST_SESSION_LOGIN
False
IGNORABLE_404_URLS
()
SESSION_COOKIE_PATH
'/'
SESSION_COOKIE_SECURE
False
CSRF_COOKIE_DOMAIN
None
USE_ETAGS
False
WSGI_APPLICATION
'platform_toeic.wsgi.application'
ALLOWED_INCLUDE_ROOTS
()
TIME_ZONE
'Europe/Paris'
SERVER_EMAIL
'root@localhost'
EMAIL_SUBJECT_PREFIX
'[Django] '
DEBUG_PROPAGATE_EXCEPTIONS
False
FILE_UPLOAD_PERMISSIONS
None
STATIC_ROOT
'/home/choclate/documents/projects/web/platform_toeic/static'
DATABASE_ROUTERS
[]
EMAIL_HOST_PASSWORD
'********************'
TIME_INPUT_FORMATS
('%H:%M:%S', '%H:%M:%S.%f', '%H:%M')
ALLOWED_HOSTS
['api.polylearn.co']
THOUSAND_SEPARATOR
','
CELERYBEAT_SCHEDULE
{'save-estimated-exam-score': {'schedule': datetime.timedelta(1),
                               'task': 'exam.tasks.save_estimated_exam_score'}}
STATICFILES_STORAGE
'whitenoise.django.GzipManifestStaticFilesStorage'
SHORT_DATETIME_FORMAT
'm/d/Y P'
FILE_UPLOAD_DIRECTORY_PERMISSIONS
None
SHORT_DATE_FORMAT
'm/d/Y'
EMAIL_TIMEOUT
None
DECIMAL_SEPARATOR
'.'
FILE_UPLOAD_HANDLERS
('django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler')
SILENCED_SYSTEM_CHECKS
[]
STATICFILES_DIRS
()
SECURE_PROXY_SSL_HEADER
None
CSRF_COOKIE_SECURE
False
SESSION_SERIALIZER
'django.contrib.sessions.serializers.JSONSerializer'
FIXTURE_DIRS
()
REST_FRAMEWORK
{'DEFAULT_AUTHENTICATION_CLASSES': ('rest_framework.authentication.TokenAuthentication',),
 'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.IsAuthenticated',)}
STATICFILES_FINDERS
('django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder')
EMAIL_BACKEND
'django_mailgun.MailgunBackend'
USE_L10N
True
TEMPLATE_DIRS
()
CSRF_COOKIE_HTTPONLY
False
BASE_DIR
'/home/choclate/documents/projects/web/platform_toeic'
DEFAULT_INDEX_TABLESPACE
''
CACHE_MIDDLEWARE_KEY_PREFIX
'********************'
TEMPLATE_DEBUG
True
DEFAULT_CHARSET
'utf-8'
CACHES
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
FILE_UPLOAD_MAX_MEMORY_SIZE
2621440
CORS_ORIGIN_ALLOW_ALL
True
CSRF_COOKIE_AGE
31449600
TEST_RUNNER
'djcelery.contrib.test_runner.CeleryTestSuiteRunner'
INTERNAL_IPS
()
DEBUG
True
SESSION_COOKIE_NAME
'sessionid'
CSRF_COOKIE_NAME
'csrftoken'
SESSION_COOKIE_DOMAIN
None
FILE_UPLOAD_TEMP_DIR
None
ROOT_URLCONF
'platform_toeic.urls'
EMAIL_HOST_USER
''
LOGGING
{}
MEDIA_ROOT
'/home/choclate/documents/projects/web/platform_toeic/media'
SECURE_HSTS_SECONDS
0
USE_TZ
True
LOGOUT_URL
'/accounts/logout/'
TEMPLATE_LOADERS
('django.template.loaders.filesystem.Loader',
 'django.template.loaders.app_directories.Loader')
USE_X_FORWARDED_HOST
False
FORCE_SCRIPT_NAME
None
SESSION_COOKIE_HTTPONLY
True
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
AUTH_USER_MODEL
'auth.User'
INSTALLED_APPS
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.sites',
 'rest_framework',
 'rest_framework.authtoken',
 'rest_auth',
 'rest_framework_swagger',
 'social.apps.django_app.default',
 'djcelery',
 'corsheaders',
 'rest_auth.registration',
 'allauth',
 'allauth.account',
 'allauth.socialaccount',
 'allauth.socialaccount.providers.facebook',
 'allauth.socialaccount.providers.google',
 'index',
 'exam',
 'lexicon')
APPEND_SLASH
True
FILE_CHARSET
'utf-8'
PASSWORD_HASHERS
'********************'
MANAGERS
()
X_FRAME_OPTIONS
'SAMEORIGIN'
MIGRATION_MODULES
{}
LANGUAGE_COOKIE_NAME
'django_language'
TIME_FORMAT
'P'
LANGUAGE_CODE
'en-us'
LANGUAGE_COOKIE_DOMAIN
None

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.