Re: def get_queryset(self): ^ IndentationError: unindent does not match any outer indentation level

The Indentation error is related to the spaces you have when you write your code. 

Based on looking at what you copy/pasted

The indentation of your def get_queryset is different from your other def's. 

Python is very picky of how much or how little you indent your code for good reason. 

Everything that is nested inside something else should be 4 spaces or a tab in. For example a def should be 4 spaces in from its class, a variable should be 4 spaces in from its def. 

IndentationError: unindent does not match any outer indentation level

On Fri, May 18, 2018 at 9:08 AM Avitab Ayan Sarmah <avitabayans@gmail.com> wrote:

While going through the django project i committed an error while executing "python manage.py runserver" inside my project directory.It is showing error is in line 24 of views.py.Please comment what exact the error is and how do i overcome this error.The exceptions and views.py is mentioned below:

Exceptions:

PS C:\Users\AVITABAYAN\mysite> python manage.py runserver

Performing system checks...

Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x0000017BA5FB29D8>

Traceback (most recent call last):

  File "c:\python36\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper

    fn(*args, **kwargs)

  File "c:\python36\lib\site-packages\django\core\management\commands\runserver.py", line 121, in inner_run

    self.check(display_num_errors=True)

  File "c:\python36\lib\site-packages\django\core\management\base.py", line 364, in check

    include_deployment_checks=include_deployment_checks,

  File "c:\python36\lib\site-packages\django\core\management\base.py", line 351, in _run_checks

    return checks.run_checks(**kwargs)

  File "c:\python36\lib\site-packages\django\core\checks\registry.py", line 73, in run_checks

    new_errors = check(app_configs=app_configs)

  File "c:\python36\lib\site-packages\django\core\checks\urls.py", line 40, in check_url_namespaces_unique

    all_namespaces = _load_all_namespaces(resolver)

  File "c:\python36\lib\site-packages\django\core\checks\urls.py", line 57, in _load_all_namespaces

    url_patterns = getattr(resolver, 'url_patterns', [])

  File "c:\python36\lib\site-packages\django\utils\functional.py", line 36, in __get__

    res = instance.__dict__[self.name] = self.func(instance)

  File "c:\python36\lib\site-packages\django\urls\resolvers.py", line 536, in url_patterns

    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)

  File "c:\python36\lib\site-packages\django\utils\functional.py", line 36, in __get__

    res = instance.__dict__[self.name] = self.func(instance)

  File "c:\python36\lib\site-packages\django\urls\resolvers.py", line 529, in urlconf_module

    return import_module(self.urlconf_name)

  File "c:\python36\lib\importlib\__init__.py", line 126, in import_module

    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 978, in _gcd_import

  File "<frozen importlib._bootstrap>", line 961, in _find_and_load

  File "<frozen importlib._bootstrap>", line 950, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap_external>", line 678, in exec_module

  File "<frozen importlib._bootstrap>", line 205, in _call_with_frames_removed

  File "C:\Users\AVITABAYAN\mysite\mysite\urls.py", line 5, in <module>

    path('', include('polls.urls')),

  File "c:\python36\lib\site-packages\django\urls\conf.py", line 34, in include

    urlconf_module = import_module(urlconf_module)

  File "c:\python36\lib\importlib\__init__.py", line 126, in import_module

    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 978, in _gcd_import

  File "<frozen importlib._bootstrap>", line 961, in _find_and_load

  File "<frozen importlib._bootstrap>", line 950, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap_external>", line 678, in exec_module

  File "<frozen importlib._bootstrap>", line 205, in _call_with_frames_removed

  File "C:\Users\AVITABAYAN\mysite\polls\urls.py", line 3, in <module>

    from . import views

  File "C:\Users\AVITABAYAN\mysite\polls\views.py", line 24

    def get_queryset(self):

                          ^

IndentationError: unindent does not match any outer indentation level

views.py:

from django.shortcuts import get_object_or_404, render

from django.http import HttpResponseRedirect

from django.urls import reverse

from django.views import generic

from django.utils import timezone

from . models import Choice, Question

class IndexView(generic.ListView):

template_name = 'polls/index.html'

context_object_name = 'latest_question_list'

def get_queryset(self):

"""Return the last five published questions(not including those settings

to be

published in the future)."""

return Question.objects.filter(pub_date__lte=timezone.now()).order_by('-pub_date')[:5]

class DetailView(generic.DetailView):

model = Question

template_name = 'polls/detail.html'

    def get_queryset(self):

        """Excludes any questions that aren't published yet.

        """

        return Question.objects.filter(pub_date__lte=timezone.now())

class ResultsView(generic.DetailView):

model = Question

template_name = 'polls/results.html'

def vote(request, question_id):

question = get_object_or_404(Question, pk=question_id)

try:

selected_choice = question.choice_set.get(pk=request.POST['choice'])

except (KeyError, Choice.DoesNotExist):

#Redisplay the question voting form.

return render(request, 'polls/detail.html', {

'question': question,

'error_message': "you didn't select a choice.",

})

else:

selected_choice.votes +=1

selected_choice.save()

#...

#...

#...

return HttpResponseRedirect(reverse('polls:results', args=(question.id,)))

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