AttributeError at /cryptocurrencyQuotesHistorical

'NoneType' object has no attribute 'get'

Request Method:	GET
Request URL:	http://localhost:8001/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m
Django Version:	4.2.4
Exception Type:	AttributeError
Exception Value:	'NoneType' object has no attribute 'get'
Exception Location:	/home/ubuntu/www/backend/chatroom/views.py, line 518, in get
Raised during:	chatroom.views.CryptocurrencyQuotesHistoricalView
Python Executable:	/home/ubuntu/www/backend/venv/bin/python
Python Version:	3.10.12
Python Path:	['/home/ubuntu/www/backend', '/home/ubuntu/www/backend/venv/bin', '/usr/lib/python310.zip', '/usr/lib/python3.10', '/usr/lib/python3.10/lib-dynload', '/home/ubuntu/www/backend/venv/lib/python3.10/site-packages']
Server time:	Thu, 19 Jun 2025 06:10:25 +0000

Traceback Switch to copy-and-paste view

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/core/handlers/exception.py, line 55, in inner

```
        return inner
```
```
    else:
```
```
        @wraps(get_response)
```
```
        def inner(request):
```
```
            try:
```

                response = get_response(request)

…

```
            except Exception as exc:
```

                response = response_for_exception(request, exc)

```
            return response
```
```
        return inner
```

Local vars

Variable

Value

exc

AttributeError("'NoneType' object has no attribute 'get'")

get_response

<bound method BaseHandler._get_response of <django.core.handlers.wsgi.WSGIHandler object at 0x7f0c457cb520>>

request

<WSGIRequest: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/core/handlers/base.py, line 197, in _get_response

```
        if response is None:
```

            wrapped_callback = self.make_view_atomic(callback)

            # If it is an asynchronous view, run it in a subthread.

            if iscoroutinefunction(wrapped_callback):

                wrapped_callback = async_to_sync(wrapped_callback)

```
            try:
```

                response = wrapped_callback(request, *callback_args, **callback_kwargs)

…

```
            except Exception as e:
```

                response = self.process_exception_by_middleware(e, request)

```
                if response is None:
```
```
                    raise
```

        # Complain if the view returned None (a common error).

Local vars

Variable	Value
callback	<function View.as_view.<locals>.view at 0x7f0c43397910>
callback_args	()
callback_kwargs	{}
middleware_method	<bound method CsrfViewMiddleware.process_view of <CsrfViewMiddleware get_response=convert_exception_to_response.<locals>.inner>>
request	<WSGIRequest: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>
response	None
self	<django.core.handlers.wsgi.WSGIHandler object at 0x7f0c457cb520>
wrapped_callback	<function View.as_view.<locals>.view at 0x7f0c43397910>

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/views/decorators/csrf.py, line 56, in wrapper_view

```
def csrf_exempt(view_func):
```

    """Mark a view function as being exempt from the CSRF view protection."""

    # view_func.csrf_exempt = True would also work, but decorators are nicer

    # if they don't have side effects, so return a new function.

```
    @wraps(view_func)
```
```
    def wrapper_view(*args, **kwargs):
```

        return view_func(*args, **kwargs)

…

```
    wrapper_view.csrf_exempt = True
```
```
    return wrapper_view
```

Local vars

Variable	Value
args	(<WSGIRequest: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>,)
kwargs	{}
view_func	<function View.as_view.<locals>.view at 0x7f0c43397880>

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/views/generic/base.py, line 104, in view

```
            self = cls(**initkwargs)
```

            self.setup(request, *args, **kwargs)

            if not hasattr(self, "request"):

```
                raise AttributeError(
```

                    "%s instance has no 'request' attribute. Did you override "

                    "setup() and forget to call super()?" % cls.__name__

```
                )
```

            return self.dispatch(request, *args, **kwargs)

…

```
        view.view_class = cls
```

        view.view_initkwargs = initkwargs

        # __name__ and __qualname__ are intentionally left unchanged as

        # view_class should be used to robustly determine the name of the view

Local vars

Variable	Value
args	()
cls	<class 'chatroom.views.CryptocurrencyQuotesHistoricalView'>
initkwargs	{}
kwargs	{}
request	<WSGIRequest: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>
self	<chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py, line 509, in dispatch

                                  self.http_method_not_allowed)

```
            else:
```

                handler = self.http_method_not_allowed

            response = handler(request, *args, **kwargs)

```
        except Exception as exc:
```

            response = self.handle_exception(exc)

…

        self.response = self.finalize_response(request, response, *args, **kwargs)

```
        return self.response
```

    def options(self, request, *args, **kwargs):

```
        """
```

Local vars

Variable	Value
args	()
handler	<bound method CryptocurrencyQuotesHistoricalView.get of <chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>>
kwargs	{}
request	<rest_framework.request.Request: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>
self	<chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py, line 469, in handle_exception

        exception_handler = self.get_exception_handler()

        context = self.get_exception_handler_context()

        response = exception_handler(exc, context)

```
        if response is None:
```

            self.raise_uncaught_exception(exc)

…

```
        response.exception = True
```
```
        return response
```

    def raise_uncaught_exception(self, exc):

```
        if settings.DEBUG:
```

Local vars

Variable	Value
context	{'args': (), 'kwargs': {}, 'request': <rest_framework.request.Request: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>, 'view': <chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>}
exc	AttributeError("'NoneType' object has no attribute 'get'")
exception_handler	<function exception_handler at 0x7f0c43ae0e50>
response	None
self	<chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py, line 480, in raise_uncaught_exception

    def raise_uncaught_exception(self, exc):

```
        if settings.DEBUG:
```
```
            request = self.request
```

            renderer_format = getattr(request.accepted_renderer, 'format')

            use_plaintext_traceback = renderer_format not in ('html', 'api', 'admin')

            request.force_plaintext_errors(use_plaintext_traceback)

```
        raise exc
```
…

    # Note: Views are made CSRF exempt from within `as_view` as to prevent

    # accidental removal of this exemption in cases where `dispatch` needs to

```
    # be overridden.
```

    def dispatch(self, request, *args, **kwargs):

```
        """
```

Local vars

Variable	Value
exc	AttributeError("'NoneType' object has no attribute 'get'")
renderer_format	'json'
request	<rest_framework.request.Request: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>
self	<chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>
use_plaintext_traceback	True

/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py, line 506, in dispatch

            # Get the appropriate handler method

            if request.method.lower() in self.http_method_names:

                handler = getattr(self, request.method.lower(),

                                  self.http_method_not_allowed)

```
            else:
```

                handler = self.http_method_not_allowed

            response = handler(request, *args, **kwargs)

…

```
        except Exception as exc:
```

            response = self.handle_exception(exc)

        self.response = self.finalize_response(request, response, *args, **kwargs)

```
        return self.response
```

Local vars

Variable	Value
args	()
handler	<bound method CryptocurrencyQuotesHistoricalView.get of <chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>>
kwargs	{}
request	<rest_framework.request.Request: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>
self	<chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>

/home/ubuntu/www/backend/chatroom/views.py, line 518, in get

```
        if origin == 'home':
```

            meta_data = cache.get(self.MSG_MOST_VISITED).get(str(id))

```
            if not meta_data:
```

                meta_data = cache.get(self.MSG_GAINER_LOSER).get(str(id))

```
        else:
```

            meta_data = cache.get(self.MSG_GAINER_LOSER).get(str(id))

        latest_datetime = datetime.fromisoformat(meta_data.get("quotes")[-1].get("timestamp")[:-1])

…

```
        if period == '1d':
```

            start_timestamp = (latest_datetime - timedelta(days=1)).timestamp()

```
        if period == '7d':
```

            start_timestamp = (latest_datetime - timedelta(days=7)).timestamp()

```
        if period == '1m':
```

            start_timestamp = (latest_datetime - timedelta(days=30)).timestamp()

Local vars

Variable	Value
domain	'cryftorix.com'
id	'24296'
item	{'description': {'en': 'MedSyncra is an innovative healthcare data management ' 'platform committed to addressing the security issues ' 'of data storage and sharing in traditional medical ' 'systems through blockchain technology. By leveraging ' 'the decentralized nature of blockchain, it provides a ' 'secure, reliable, and transparent storage environment ' 'for medical data. The operating philosophy of ' 'MedSyncra centers on decentralizing data control, ' 'granting patients full control over their medical ' 'data, while providing healthcare institutions with ' 'smarter data management solutions.', 'my': 'MedSyncra ialah platform pengurusan data perubatan ' 'yang inovatif yang komited untuk menyelesaikan masalah ' 'keselamatan penyimpanan data dan perkongsian dalam ' 'sistem perubatan tradisional melalui teknologi ' 'rantaian blok. Falsafah operasi MedSyncra adalah untuk ' 'mencapai kawalan terpencar ke atas data, memberikan ' 'pesakit kawalan sepenuhnya ke atas data perubatan ' 'mereka, sambil menyediakan penyelesaian pengurusan ' 'data yang lebih pintar untuk institusi perubatan.', 'zh_tw': 'MedSyncra是一個創新的醫療數據管理平台，致力於通過區塊鏈技術解決傳統醫療系統中數據存儲和共享的安全問題，利用去中心化的特性，為醫療數據提供一個安全、可靠、透明的存儲環境。MedSyncra的運營理念是實現數據的去中心化控制，賦予患者對自己醫療數據的完全控制權，同時為醫療機構提供更加智能的數據管理方案。'}, 'id': 10306, 'logo': '/pic/MSYA.png', 'name': 'MSYA', 'slug': 'msya', 'symbol': 'MSYA', 'tag-names': ['Blockchain medical'], 'urls': {'website': 'https://medsyncra.com/'}}
meta_data	None
msg_type	('centering_home_most_visited_quotes@centering_gainer_loser_quotes',)
origin	'home'
params	{'id': '24296', 'origin': 'home', 'period': '1m'}
period	'1m'
request	<rest_framework.request.Request: GET '/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'>
self	<chatroom.views.CryptocurrencyQuotesHistoricalView object at 0x7f0c433a5270>

Environment:

Request Method: GET
Request URL: http://localhost:8001/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m

Django Version: 4.2.4
Python Version: 3.10.12
Installed Applications:
['daphne',
 'chatroom',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'channels',
 'news.apps.NewsConfig',
 'rest_framework',
 'django_filters']
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']

Traceback (most recent call last):
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/core/handlers/exception.py", line 55, in inner
    response = get_response(request)
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/core/handlers/base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/views/decorators/csrf.py", line 56, in wrapper_view
    return view_func(*args, **kwargs)
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/django/views/generic/base.py", line 104, in view
    return self.dispatch(request, *args, **kwargs)
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py", line 509, in dispatch
    response = self.handle_exception(exc)
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py", line 469, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py", line 480, in raise_uncaught_exception
    raise exc
  File "/home/ubuntu/www/backend/venv/lib/python3.10/site-packages/rest_framework/views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
  File "/home/ubuntu/www/backend/chatroom/views.py", line 518, in get
    latest_datetime = datetime.fromisoformat(meta_data.get("quotes")[-1].get("timestamp")[:-1])

Exception Type: AttributeError at /cryptocurrencyQuotesHistorical
Exception Value: 'NoneType' object has no attribute 'get'

Request information

USER

AnonymousUser

GET

Variable	Value
id	'24296'
origin	'home'
period	'1m'

POST

No POST data

FILES

No FILES data

No cookie data

Variable	Value
HTTP_ACCEPT	'/'
HTTP_ACCEPT_ENCODING	'gzip, deflate'
HTTP_ACCEPT_LANGUAGE	'*'
HTTP_CONNECTION	'keep-alive'
HTTP_FROM	'cryftorix.com'
HTTP_HOST	'localhost:8001'
HTTP_SEC_FETCH_MODE	'cors'
HTTP_USER_AGENT	'node'
PATH_INFO	'/cryptocurrencyQuotesHistorical'
QUERY_STRING	'id=24296&origin=home&period=1m'
RAW_URI	'/cryptocurrencyQuotesHistorical?id=24296&origin=home&period=1m'
REMOTE_ADDR	'127.0.0.1'
REMOTE_PORT	'38164'
REQUEST_METHOD	'GET'
SCRIPT_NAME	''
SERVER_NAME	'0.0.0.0'
SERVER_PORT	'8001'
SERVER_PROTOCOL	'HTTP/1.1'
SERVER_SOFTWARE	'gunicorn/21.2.0'
gunicorn.socket	<gevent._socket3.socket at 0x7f0c42bafdc0 object, fd=15, family=2, type=1, proto=6>
wsgi.errors	<gunicorn.http.wsgi.WSGIErrorsWrapper object at 0x7f0c425d8d60>
wsgi.file_wrapper	<class 'gunicorn.http.wsgi.FileWrapper'>
wsgi.input	<gunicorn.http.body.Body object at 0x7f0c433a7e80>
wsgi.input_terminated	True
wsgi.multiprocess	True
wsgi.multithread	True
wsgi.run_once	False
wsgi.url_scheme	'http'
wsgi.version	(1, 0)

Settings

Using settings module `dist_websocket_server.settings`

Setting	Value
ABSOLUTE_URL_OVERRIDES	{}
ADMINS	[]
ALLOWED_HOSTS	['*']
APPEND_SLASH	True
ASGI_APPLICATION	'dist_websocket_server.asgi.application'
AUTHENTICATION_BACKENDS	['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS	'********************'
AUTH_USER_MODEL	'auth.User'
BASE_API_URL	'********************'
BASE_DIR	PosixPath('/home/ubuntu/www/backend')
CACHES	{'default': {'BACKEND': 'django.core.cache.backends.redis.RedisCache', 'LOCATION': 'redis://127.0.0.1:6379/0'}}
CACHE_MIDDLEWARE_ALIAS	'default'
CACHE_MIDDLEWARE_KEY_PREFIX	'********************'
CACHE_MIDDLEWARE_SECONDS	600
CELERY_ACCEPT_CONTENT	['json']
CELERY_BROKER_URL	'redis://127.0.0.1:6379/0'
CELERY_ENABLE_UTC	False
CELERY_TASK_SERIALIZER	'json'
CELERY_TIMEZONE	'Asia/Shanghai'
CHANNEL_LAYERS	{'default': {'BACKEND': 'channels_redis.core.RedisChannelLayer', 'CONFIG': {'capacity': 1000000, 'hosts': [('localhost', 6379)]}}}
CHANNEL_ROOM_NAME	'push'
CMC_API_KEY	'********************'
CSRF_COOKIE_AGE	31449600
CSRF_COOKIE_DOMAIN	None
CSRF_COOKIE_HTTPONLY	False
CSRF_COOKIE_MASKED	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_HEALTH_CHECKS': False, 'CONN_MAX_AGE': 0, 'ENGINE': 'django.db.backends.sqlite3', 'HOST': '', 'NAME': PosixPath('/home/ubuntu/www/backend/db.sqlite3'), 'OPTIONS': {}, 'PASSWORD': '********************', 'PORT': '', 'TEST': {'CHARSET': None, 'COLLATION': None, 'MIGRATE': True, 'MIRROR': None, 'NAME': None}, 'TIME_ZONE': None, 'USER': ''}}
DATABASE_ROUTERS	[]
DATA_UPLOAD_MAX_MEMORY_SIZE	2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS	1000
DATA_UPLOAD_MAX_NUMBER_FILES	100
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_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
ENV_DATA	<module 'cmc_api.data.fk' from '/home/ubuntu/www/backend/cmc_api/data/fk.py'>
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'
HTTP_PROXY	'http://localhost:58591'
IGNORABLE_404_URLS	[]
INSTALLED_APPS	['daphne', 'chatroom', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'channels', 'news.apps.NewsConfig', 'rest_framework', 'django_filters']
INTERNAL_IPS	[]
LANGUAGES	[('af', 'Afrikaans'), ('ar', 'Arabic'), ('ar-dz', 'Algerian Arabic'), ('ast', 'Asturian'), ('az', 'Azerbaijani'), ('bg', 'Bulgarian'), ('be', 'Belarusian'), ('bn', 'Bengali'), ('br', 'Breton'), ('bs', 'Bosnian'), ('ca', 'Catalan'), ('ckb', 'Central Kurdish (Sorani)'), ('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'), ('hy', 'Armenian'), ('ia', 'Interlingua'), ('id', 'Indonesian'), ('ig', 'Igbo'), ('io', 'Ido'), ('is', 'Icelandic'), ('it', 'Italian'), ('ja', 'Japanese'), ('ka', 'Georgian'), ('kab', 'Kabyle'), ('kk', 'Kazakh'), ('km', 'Khmer'), ('kn', 'Kannada'), ('ko', 'Korean'), ('ky', 'Kyrgyz'), ('lb', 'Luxembourgish'), ('lt', 'Lithuanian'), ('lv', 'Latvian'), ('mk', 'Macedonian'), ('ml', 'Malayalam'), ('mn', 'Mongolian'), ('mr', 'Marathi'), ('ms', 'Malay'), ('my', 'Burmese'), ('nb', 'Norwegian Bokmål'), ('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'), ('tg', 'Tajik'), ('th', 'Thai'), ('tk', 'Turkmen'), ('tr', 'Turkish'), ('tt', 'Tatar'), ('udm', 'Udmurt'), ('uk', 'Ukrainian'), ('ur', 'Urdu'), ('uz', 'Uzbek'), ('vi', 'Vietnamese'), ('zh-hans', 'Simplified Chinese'), ('zh-hant', 'Traditional Chinese')]
LANGUAGES_BIDI	['he', 'ar', 'ar-dz', 'ckb', 'fa', 'ur']
LANGUAGE_CODE	'en-us'
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	[]
LOGGING	{}
LOGGING_CONFIG	'logging.config.dictConfig'
LOGIN_REDIRECT_URL	'/accounts/profile/'
LOGIN_URL	'/accounts/login/'
LOGOUT_REDIRECT_URL	None
MANAGERS	[]
MEDIA_ROOT	''
MEDIA_URL	'/'
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']
MIGRATION_MODULES	{}
MONTH_DAY_FORMAT	'F j'
NUMBER_GROUPING	0
PASSWORD_HASHERS	'********************'
PASSWORD_RESET_TIMEOUT	'********************'
PREPEND_WWW	False
REST_FRAMEWORK	{'DEFAULT_AUTHENTICATION_CLASSES': (), 'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend', 'rest_framework.filters.OrderingFilter'), 'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination', 'DEFAULT_PERMISSION_CLASSES': (), 'PAGE_SIZE': 10}
ROOT_URLCONF	'dist_websocket_server.urls'
SECRET_KEY	'********************'
SECRET_KEY_FALLBACKS	'********************'
SECURE_CONTENT_TYPE_NOSNIFF	True
SECURE_CROSS_ORIGIN_OPENER_POLICY	'same-origin'
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	'dist_websocket_server.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	['/home/ubuntu/www/backend/pic']
STATICFILES_FINDERS	['django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE	'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT	None
STATIC_URL	'/pic/'
STORAGES	{'default': {'BACKEND': 'django.core.files.storage.FileSystemStorage'}, 'staticfiles': {'BACKEND': 'django.contrib.staticfiles.storage.StaticFilesStorage'}}
TEMPLATES	[{'APP_DIRS': True, 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [PosixPath('/home/ubuntu/www/backend/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']}}]
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_DEPRECATED_PYTZ	False
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	'dist_websocket_server.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.

AttributeError at /cryptocurrencyQuotesHistorical

Traceback Switch to copy-and-paste view

Request information

USER

GET

POST

FILES

COOKIES

META

Settings

Using settings module dist_websocket_server.settings

Using settings module `dist_websocket_server.settings`

Mata Uang Kripto

Terbaru