old_contents: from django.shortcuts import render
  
  from .models import Tag
  
  
  def tags(request):
      tags = Tag.objects.all()
      return render(request, 'challenges/tags.html', {'tags': tags})
  
new_contents: from django.shortcuts import render
  
  from .models import Tag
  
  
  def tags(request):
      tags = Tag.objects.all()
      return render(request, 'tags/tags.html', {'tags': tags})
  
subject: Fix template location in views.py of tags