Templates/views

I'm using python 3.6.0

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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',
            ],
        },
    },
]

WSGI_APPLICATION = 'cms.wsgi.application'

Views
from django.shortcuts import render, get_object_or_404, redirect
from .models import Post, Category

from .forms import CommentForm



def list_of_post_by_category(request, category_slug):
	categories = Category.objects.all()
	post = Post.objects.filter(status='published')
	if category_slug:
		category = get_object_or_404(Category, slug=category_slug)
		post = post.filter(category=category)
	template = 'blog/category/list_of_post_by_category.html'
	context = {'categories': categories, 'post': post, 'category':category}
	return render(request, template, context)

def list_of_post(request):
	post = Post.objects.filter(status='published')
	template = 'blog/post/list_of_post.html'
	context = {'post': post}
	return render(request, template, context)


def post_detail(request, slug):
	post = get_object_or_404(Post, slug=slug)
	template = 'blog/post/post_detail.html'
	context = {'post': post}
	return render(request, template, context)

def add_comment(request, slug):
	post = get_object_or_404(Post, slug=slug)
	if request.method == 'POST':
		form = CommentForm(request.POST)
		if form.is_valid():
			comment = form.save(commit=False)
			comment.post = post
			comment.save()
			return redirect('blog:post_detail', slug=post.slug)
	else:
		form = CommentForm()
	template = 'blog/post/add_comment.html'
	context = {'form': form}
	return render(request, template, context)