Probably you're facing this issue https://github.com/encode/django-rest-framework/issues/1337
[image: --] Felipe V. Rodrigues [image: https://]felipevr.com <https://felipevr.com> On Thu, Nov 16, 2017 at 11:43 AM, YUN TANG <[email protected]> wrote: > hi Thanks for your reply. > > Now i've fixed that issue, and i'm getting a new one.... > > Unhandled exception in thread started by <function > check_errors.<locals>.wrapper at 0x000002C71F682BF8> > Traceback (most recent call last): > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 105, in _compile > return re.compile(regex, re.UNICODE) > File "C:\Tools\Anaconda3\envs\django-env\lib\re.py", line 233, in > compile > return _compile(pattern, flags) > File "C:\Tools\Anaconda3\envs\django-env\lib\re.py", line 301, in > _compile > p = sre_compile.compile(pattern, flags) > File "C:\Tools\Anaconda3\envs\django-env\lib\sre_compile.py", line 562, > in compile > p = sre_parse.parse(p, flags) > File "C:\Tools\Anaconda3\envs\django-env\lib\sre_parse.py", line 855, > in parse > p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0) > File "C:\Tools\Anaconda3\envs\django-env\lib\sre_parse.py", line 416, > in _parse_sub > not nested and not items)) > File "C:\Tools\Anaconda3\envs\django-env\lib\sre_parse.py", line 759, > in _parse > raise source.error(err.msg, len(name) + 1) from None > sre_constants.error: redefinition of group name 'format' as group 2; was > group 1 at position 40 > > During handling of the above exception, another exception occurred: > > Traceback (most recent call last): > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\utils\autoreload.py", > line 228, in wrapper > fn(*args, **kwargs) > File "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\ > django\core\management\commands\runserver.py", line 125, in inner_run > self.check(display_num_errors=True) > File "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\ > django\core\management\base.py", line 359, in check > include_deployment_checks=include_deployment_checks, > File "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\ > django\core\management\base.py", line 346, in _run_checks > return checks.run_checks(**kwargs) > File "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\ > django\core\checks\registry.py", line 81, in run_checks > new_errors = check(app_configs=app_configs) > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\core\checks\urls.py", > line 16, in check_url_config > return check_resolver(resolver) > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\core\checks\urls.py", > line 26, in check_resolver > return check_method() > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 255, in check > warnings.extend(check_resolver(pattern)) > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\core\checks\urls.py", > line 26, in check_resolver > return check_method() > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 255, in check > warnings.extend(check_resolver(pattern)) > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\core\checks\urls.py", > line 26, in check_resolver > return check_method() > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 255, in check > warnings.extend(check_resolver(pattern)) > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\core\checks\urls.py", > line 26, in check_resolver > return check_method() > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 172, in check > warnings = self._check_pattern_startswith_slash() > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 140, in _check_pattern_startswith_slash > regex_pattern = self.regex.pattern > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 93, in __get__ > instance.__dict__['regex'] = self._compile(instance._regex) > File > "C:\Tools\Anaconda3\envs\django-env\lib\site-packages\django\urls\resolvers.py", > line 109, in _compile > (regex, six.text_type(e)) > django.core.exceptions.ImproperlyConfigured: "^snippets\.(?P<format>[a-z0- > 9]+)/?\.(?P<format>[a-z0-9]+)/?$" is not a valid regular expression: > redefinition of group name 'format' as group 2; was group 1 at position 40 > > > > > 在 2017年11月16日星期四 UTC+8下午9:31:29，Xavier Ordoquy写道： >> >> Hi, >> >> The tutorial has no mention of renderer_class but has renderer_classes >> (note the extra ES at the end). >> >> Regards, >> Xavier. >> >> Le 16 nov. 2017 à 14:17, YUN TANG <[email protected]> a écrit : >> >> I've been following the official tutorial until 6-viewsets-and-routers/ >> <http://www.django-rest-framework.org/tutorial/6-viewsets-and-routers/> >> >> After I changed the urls.py to >> >> router = DefaultRouter() >> >> router.register(r'snippets', views.SnippetViewSet) >> router.register(r'users', views.UserViewSet) >> >> # The API URLs are now determined automatically by the router >> # Additionally, we include the login URLs for the browsable API. >> urlpatterns = [ >> url(r'^', include(router.urls)), >> ] >> >> >> I got an error: >> TypeError: SnippetViewSet() received an invalid keyword 'renderer_class' >> >> >> Please help. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django REST framework" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- > You received this message because you are subscribed to the Google Groups > "Django REST framework" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django REST framework" group. 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