AttributeError at /api/client/consult_contract_file/
'ContractConsultFile' object has no attribute 'change_step'

Request Method: POST
Request URL: http://176.113.83.31:8000/api/client/consult_contract_file/
Django Version: 2.1.3
Python Executable: /root/bks-backend/env/bin/python3.6
Python Version: 3.6.3
Python Path: ['/root/bks-backend', '/root/bks-backend/env/bin', '/root/bks-backend/env/lib/python36.zip', '/root/bks-backend/env/lib/python3.6', '/root/bks-backend/env/lib/python3.6/lib-dynload', '/usr/local/lib/python3.6', '/root/bks-backend/env/lib/python3.6/site-packages', '/root/bks-backend']
Server time: РџРЅ, 19 РќРѕСЏ 2018 03:54:40 +0000
Installed Applications:
['django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'drf_yasg',
 'nested_admin',
 'rest_framework',
 'rest_framework.authtoken',
 'django_filters',
 'corsheaders',
 'Auth.apps.AuthConfig',
 'Client.apps.ClientConfig',
 'ClientProfile.apps.ClientProfileConfig',
 'ClientGoal.apps.ClientGoalConfig',
 'ClientInvestProfile.apps.ClientInvestProfileConfig',
 'Courses.apps.CoursesConfig',
 'News.apps.NewsConfig',
 'TemplateDoc.apps.TemplatedocConfig']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'corsheaders.middleware.CorsMiddleware',
 'django.middleware.common.CommonMiddleware']


Traceback:

File "/root/bks-backend/env/lib/python3.6/site-packages/django/core/handlers/exception.py" in inner
  34.             response = get_response(request)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response
  126.                 response = self.process_exception_by_middleware(e, request)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response
  124.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/views/decorators/csrf.py" in wrapped_view
  54.         return view_func(*args, **kwargs)

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/viewsets.py" in view
  116.             return self.dispatch(request, *args, **kwargs)

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/views.py" in dispatch
  495.             response = self.handle_exception(exc)

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/views.py" in handle_exception
  455.             self.raise_uncaught_exception(exc)

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/views.py" in dispatch
  492.             response = handler(request, *args, **kwargs)

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/mixins.py" in create
  21.         self.perform_create(serializer)

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/mixins.py" in perform_create
  26.         serializer.save()

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/serializers.py" in save
  214.             self.instance = self.create(validated_data)

File "/root/bks-backend/env/lib/python3.6/site-packages/rest_framework/serializers.py" in create
  940.             instance = ModelClass._default_manager.create(**validated_data)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/db/models/manager.py" in manager_method
  82.                 return getattr(self.get_queryset(), name)(*args, **kwargs)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/db/models/query.py" in create
  413.         obj.save(force_insert=True, using=self.db)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/db/models/base.py" in save
  718.                        force_update=force_update, update_fields=update_fields)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/db/models/base.py" in save_base
  758.                 update_fields=update_fields, raw=raw, using=using,

File "/root/bks-backend/env/lib/python3.6/site-packages/django/dispatch/dispatcher.py" in send
  175.             for receiver in self._live_receivers(sender)

File "/root/bks-backend/env/lib/python3.6/site-packages/django/dispatch/dispatcher.py" in <listcomp>
  175.             for receiver in self._live_receivers(sender)

File "/root/bks-backend/ClientProfile/signals.py" in on_client_profile_created
  35.         instance.change_step(ClientProfile.STEPS.INVEST_PROFILE)

Exception Type: AttributeError at /api/client/consult_contract_file/
Exception Value: 'ContractConsultFile' object has no attribute 'change_step'
Request information:
USER: picasel

GET: No GET data

POST:
profile = '1'

FILES:
file = <InMemoryUploadedFile: 469173.pdf (application/pdf)>

COOKIES: No cookie data

META:
CONTENT_LENGTH = '227447'
CONTENT_TYPE = 'multipart/form-data; boundary=----WebKitFormBoundaryNzccrYX5jIeOABOO'
HTTP_ACCEPT = '*/*'
HTTP_ACCEPT_ENCODING = 'gzip, deflate'
HTTP_ACCEPT_LANGUAGE = 'ru-RU,ru;q=0.9,en-US;q=0.8,en;q=0.7'
HTTP_AUTHORIZATION = 'Token bce502eb8296278d1ca3056a69ce95507c516c94'
HTTP_CONNECTION = 'close'
HTTP_HOST = '176.113.83.31:8000'
HTTP_ORIGIN = 'http://0.0.0.0:8080'
HTTP_REFERER = 'http://0.0.0.0:8080/1'
HTTP_USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36'
HTTP_X_FORWARDED_FOR = '146.185.136.157'
HTTP_X_FORWARDED_PROTO = 'http'
HTTP_X_REAL_IP = '146.185.136.157'
PATH_INFO = '/api/client/consult_contract_file/'
QUERY_STRING = ''
RAW_URI = '/api/client/consult_contract_file/'
REMOTE_ADDR = ''
REQUEST_METHOD = 'POST'
SCRIPT_NAME = ''
SERVER_NAME = '176.113.83.31'
SERVER_PORT = '8000'
SERVER_PROTOCOL = 'HTTP/1.0'
SERVER_SOFTWARE = 'gunicorn/19.9.0'
gunicorn.socket = <socket.socket fd=9, family=AddressFamily.AF_UNIX, type=SocketKind.SOCK_STREAM, proto=0, laddr=/root/bks-backend/bks.sock>
wsgi.errors = <gunicorn.http.wsgi.WSGIErrorsWrapper object at 0x7f1e29221a90>
wsgi.file_wrapper = ''
wsgi.input = <gunicorn.http.body.Body object at 0x7f1e29221630>
wsgi.multiprocess = True
wsgi.multithread = False
wsgi.run_once = False
wsgi.url_scheme = 'http'
wsgi.version = '(1, 0)'

Settings:
Using settings module bksproject.settings
ABSOLUTE_URL_OVERRIDES = {}
ADMINS = []
ALLOWED_HOSTS = ['*']
APPEND_SLASH = True
AUTHENTICATION_BACKENDS = ['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS = '********************'
AUTH_USER_MODEL = 'Auth.User'
BASE_DIR = '/root/bks-backend'
CACHES = {'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS = 'default'
CACHE_MIDDLEWARE_KEY_PREFIX = '********************'
CACHE_MIDDLEWARE_SECONDS = 600
CORS_ORIGIN_ALLOW_ALL = True
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': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': '/root/bks-backend/db.sqlite3', 'ATOMIC_REQUESTS': False, 'AUTOCOMMIT': True, 'CONN_MAX_AGE': 0, 'OPTIONS': {}, 'TIME_ZONE': None, 'USER': '', 'PASSWORD': '********************', 'HOST': '', 'PORT': '', 'TEST': {'CHARSET': None, 'COLLATION': None, 'NAME': None, 'MIRROR': None}}}
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', '%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']
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_CHARSET = 'utf-8'
DEFAULT_CONTENT_TYPE = 'text/html'
DEFAULT_EXCEPTION_REPORTER_FILTER = 'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL = 'webmaster@localhost'
DEFAULT_INDEX_TABLESPACE = ''
DEFAULT_TABLESPACE = ''
DISALLOWED_USER_AGENTS = []
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'smtp.sendgrid.net'
EMAIL_HOST_PASSWORD = '********************'
EMAIL_HOST_USER = 'AnastasiaPicasel'
EMAIL_PORT = 587
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 = True
FILE_CHARSET = 'utf-8'
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 = None
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 = ['django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'drf_yasg', 'nested_admin', 'rest_framework', 'rest_framework.authtoken', 'django_filters', 'corsheaders', 'Auth.apps.AuthConfig', 'Client.apps.ClientConfig', 'ClientProfile.apps.ClientProfileConfig', 'ClientGoal.apps.ClientGoalConfig', 'ClientInvestProfile.apps.ClientInvestProfileConfig', 'Courses.apps.CoursesConfig', 'News.apps.NewsConfig', 'TemplateDoc.apps.TemplatedocConfig']
INTERNAL_IPS = []
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'), ('dsb', 'Lower Sorbian'), ('el', 'Greek'), ('en', 'English'), ('en-au', 'Australian English'), ('en-gb', 'British English'), ('eo', 'Esperanto'), ('es', 'Spanish'), ('es-ar', 'Argentinian Spanish'), ('es-co', 'Colombian 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'), ('gd', 'Scottish Gaelic'), ('gl', 'Galician'), ('he', 'Hebrew'), ('hi', 'Hindi'), ('hr', 'Croatian'), ('hsb', 'Upper Sorbian'), ('hu', 'Hungarian'), ('ia', 'Interlingua'), ('id', 'Indonesian'), ('io', 'Ido'), ('is', 'Icelandic'), ('it', 'Italian'), ('ja', 'Japanese'), ('ka', 'Georgian'), ('kab', 'Kabyle'), ('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 BokmГҐl'), ('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-hans', 'Simplified Chinese'), ('zh-hant', 'Traditional Chinese')]
LANGUAGES_BIDI = ['he', 'ar', 'fa', 'ur']
LANGUAGE_CODE = 'ru-ru'
LANGUAGE_COOKIE_AGE = None
LANGUAGE_COOKIE_DOMAIN = None
LANGUAGE_COOKIE_NAME = 'django_language'
LANGUAGE_COOKIE_PATH = '/'
LOCALE_PATHS = []
LOGGING = {}
LOGGING_CONFIG = 'logging.config.dictConfig'
LOGIN_REDIRECT_URL = '/accounts/profile/'
LOGIN_URL = '/accounts/login/'
LOGOUT_REDIRECT_URL = None
MAIN_EMAIL_ADDRESS = 'a.bilyalov@picasel.agency'
MANAGERS = []
MEDIA_ROOT = '/root/bks-backend/media/'
MEDIA_URL = 'media/'
MESSAGE_STORAGE = 'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE = ['django.middleware.security.SecurityMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', 'corsheaders.middleware.CorsMiddleware', 'django.middleware.common.CommonMiddleware']
MIGRATION_MODULES = {}
MONTH_DAY_FORMAT = 'F j'
NUMBER_GROUPING = 0
PASSWORD_HASHERS = '********************'
PASSWORD_RESET_TIMEOUT_DAYS = '********************'
PREPEND_WWW = False
REST_FRAMEWORK = {'DEFAULT_AUTHENTICATION_CLASSES': ('rest_framework.authentication.SessionAuthentication', 'rest_framework.authentication.TokenAuthentication'), 'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly',)}
ROOT_URLCONF = 'bksproject.urls'
SECONDS_IN_DAY = 86400
SECRET_KEY = '********************'
SECURE_BROWSER_XSS_FILTER = False
SECURE_CONTENT_TYPE_NOSNIFF = False
SECURE_HSTS_INCLUDE_SUBDOMAINS = False
SECURE_HSTS_PRELOAD = False
SECURE_HSTS_SECONDS = 0
SECURE_PROXY_SSL_HEADER = None
SECURE_REDIRECT_EXEMPT = []
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 = 'bksproject.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 = []
STATICFILES_FINDERS = ['django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT = '/root/bks-backend/static/'
STATIC_URL = '/static/'
TEMPLATES = [{'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': ['/root/bks-backend/templates'], 'APP_DIRS': True, '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']}}]
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 = 'bksproject.wsgi.application'
X_FRAME_OPTIONS = 'SAMEORIGIN'
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.