diff --git a/account/admin.py b/account/admin.py
index acde1b7..1c64565 100755
--- a/account/admin.py
+++ b/account/admin.py
@@ -2,4 +2,4 @@
 
 from .models import Profile
 # Register your models here.
-admin.site.register(Profile)
\ No newline at end of file
+admin.site.register(Profile)
diff --git a/account/models.py b/account/models.py
index 56ae7f5..4f10b53 100755
--- a/account/models.py
+++ b/account/models.py
@@ -1,7 +1,11 @@
+from django.conf import settings
 from django.db import models
 # 유저 정보 import
-from django.conf import settings
+
 
 class Profile(models.Model):
-    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
-    image = models.ImageField(upload_to='profile/', blank=True)
\ No newline at end of file
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+    )
+    image = models.ImageField(upload_to='profile/', blank=True)
diff --git a/account/tests.py b/account/tests.py
index 7ce503c..601fc86 100755
--- a/account/tests.py
+++ b/account/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
-
+# from django.test import TestCase
 # Create your tests here.
diff --git a/account/urls.py b/account/urls.py
index 2fac5b8..a654c16 100755
--- a/account/urls.py
+++ b/account/urls.py
@@ -1,4 +1,5 @@
 from django.urls import path
+
 from . import views
 
 urlpatterns = [
@@ -7,4 +8,4 @@
     path('logout/', views.logout, name='logout'),
     path('userpage/<str:author_id>', views.userpage, name='userpage'),
     path('changeprofile/', views.change_profile, name='change_profile'),
-]
\ No newline at end of file
+]
diff --git a/account/views.py b/account/views.py
index b917a4e..b6c8a07 100755
--- a/account/views.py
+++ b/account/views.py
@@ -1,24 +1,28 @@
-from django.shortcuts import render, redirect, get_object_or_404
-from django.http import HttpResponse
-from django.contrib.auth.models import User
-from django.contrib import auth
-from page.models import Post
-from account.models import Profile
-
-# make circle image
-from PIL import Image, ImageOps, ImageDraw
+import os
 from io import BytesIO
+
+from django.contrib import auth
+from django.contrib.auth.models import User
 from django.core.files.uploadedfile import InMemoryUploadedFile
+from django.http import HttpResponse
+from django.shortcuts import redirect
+from django.shortcuts import render
+from PIL import Image
+from PIL import ImageDraw
+from PIL import ImageOps
 
+from account.models import Profile
+from page.models import Post
+# make circle image
 # default image path
-import os
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
+
 def register(request):
     if request.method == 'POST':
         if request.POST['pw'] == request.POST['confirm-pw']:
             user = User.objects.create_user(
-                request.POST['id'], password=request.POST['pw']
+                request.POST['id'], password=request.POST['pw'],
             )
             auth.login(request, user)
             profile = Profile()
@@ -29,6 +33,7 @@ def register(request):
     else:
         return render(request, 'register.html')
 
+
 def login(request):
     if request.method == 'POST':
         username = request.POST['id']
@@ -36,27 +41,34 @@ def login(request):
         user = auth.authenticate(request, username=username, password=password)
         if user is not None:
             auth.login(request, user)
-            return redirect ('home')
+            return redirect('home')
         else:
             return HttpResponse('입력 정보를 확인하세요.')
     else:
         return render(request, 'login.html')
 
+
 def logout(request):
     auth.logout(request)
     return redirect('home')
 
+
 def userpage(request, author_id):
     # 유저 객체를 user에 저장
     account = User.objects.get(username=author_id)
     # 해당 유저의 포스트만 불러오기
     posts = Post.objects.filter(author=account)
     profile = Profile.objects.filter(user=account)
-    return render(request, 'userpage.html', {'posts':posts, 'account':account, 'profile':profile})
+    return render(
+        request, 'userpage.html', {
+            'posts': posts,
+            'account': account, 'profile': profile,
+        },
+    )
 
 
 def change_profile(request):
-    # if profile_image exist, delete this image 
+    # if profile_image exist, delete this image
     if Profile.objects.filter(user=request.user):
         Profile.objects.filter(user=request.user).delete()
 
@@ -65,17 +77,17 @@ def change_profile(request):
     # save profile_image
     if 'image' in request.FILES:
         im = Image.open(request.FILES['image'])
-        im = im.resize((1920, 1920));
+        im = im.resize((1920, 1920))
         bigsize = (im.size[0] * 3, im.size[1] * 3)
         mask = Image.new('L', bigsize, 0)
-        draw = ImageDraw.Draw(mask) 
+        draw = ImageDraw.Draw(mask)
         draw.ellipse((0, 0) + bigsize, fill=255)
         mask = mask.resize(im.size, Image.ANTIALIAS)
         im.putalpha(mask)
 
         output = ImageOps.fit(im, mask.size, centering=(0.5, 0.5))
         output.putalpha(mask)
-        
+
         buffer = BytesIO()
         output.save(buffer, format='png')
 
@@ -90,4 +102,4 @@ def change_profile(request):
 
         profile.image = file
     profile.save()
-    return redirect('/account/userpage/'+str(profile.user))
\ No newline at end of file
+    return redirect('/account/userpage/'+str(profile.user))
diff --git a/comment/admin.py b/comment/admin.py
index f567340..899a017 100755
--- a/comment/admin.py
+++ b/comment/admin.py
@@ -1,5 +1,6 @@
 from django.contrib import admin
+
 from .models import Comment
 
 # Register your models here.
-admin.site.register(Comment)
\ No newline at end of file
+admin.site.register(Comment)
diff --git a/comment/forms.py b/comment/forms.py
index ea4cbcb..244e13b 100755
--- a/comment/forms.py
+++ b/comment/forms.py
@@ -1,7 +1,9 @@
 from django import forms
+
 from .models import Comment
 
+
 class CommentForm(forms.ModelForm):
     class Meta:
         model = Comment
-        fields = ['content']
\ No newline at end of file
+        fields = ['content']
diff --git a/comment/models.py b/comment/models.py
index d61033d..72fd5d5 100755
--- a/comment/models.py
+++ b/comment/models.py
@@ -1,15 +1,22 @@
-from django.db import models
-# 유저 정보 import
 from django.conf import settings
+from django.db import models
+
 from page.models import Post
+# 유저 정보 import
 
 # Create your models here.
+
+
 class Comment(models.Model):
     # related_name
-    title = models.ForeignKey(Post, on_delete=models.CASCADE, related_name='comments')
-    author = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
+    title = models.ForeignKey(
+        Post, on_delete=models.CASCADE, related_name='comments',
+    )
+    author = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE,
+    )
     pub_date = models.DateTimeField('publish')
     content = models.CharField(max_length=200)
 
     def __str__(self):
-        return self.content
\ No newline at end of file
+        return self.content
diff --git a/comment/tests.py b/comment/tests.py
index 7ce503c..601fc86 100755
--- a/comment/tests.py
+++ b/comment/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
-
+# from django.test import TestCase
 # Create your tests here.
diff --git a/comment/urls.py b/comment/urls.py
index b30ce30..1553d24 100755
--- a/comment/urls.py
+++ b/comment/urls.py
@@ -1,7 +1,11 @@
 from django.urls import path
+
 from . import views
 
 urlpatterns = [
     path('new/<int:post_id>', views.comment_new, name='comment_new'),
-    path('delete/<int:post_id>/<int:comment_id>', views.comment_delete, name='comment_delete'),
-]
\ No newline at end of file
+    path(
+        'delete/<int:post_id>/<int:comment_id>',
+        views.comment_delete, name='comment_delete',
+    ),
+]
diff --git a/comment/views.py b/comment/views.py
index cde25b5..49f3679 100755
--- a/comment/views.py
+++ b/comment/views.py
@@ -1,10 +1,13 @@
-from django.shortcuts import render, redirect, get_object_or_404
+from django.shortcuts import get_object_or_404
+from django.shortcuts import redirect
 from django.utils import timezone
-from .forms import CommentForm
+
 from .models import Comment
 from page.models import Post
 
 # Create your views here.
+
+
 def comment_new(request, post_id):
     post = get_object_or_404(Post, pk=post_id)
 
@@ -17,6 +20,7 @@ def comment_new(request, post_id):
         comment.save()
     return redirect('post_detail', post_id)
 
+
 def comment_delete(request, post_id, comment_id):
     comment = get_object_or_404(Comment, pk=comment_id)
 
diff --git a/lionstagram/settings.py b/lionstagram/settings.py
index a2cf505..087e974 100755
--- a/lionstagram/settings.py
+++ b/lionstagram/settings.py
@@ -1,35 +1,22 @@
-"""
-Django settings for lionstagram project.
-
-Generated by 'django-admin startproject' using Django 2.1.5.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/2.1/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/2.1/ref/settings/
-"""
-
 import os
 
+import dj_database_url
+
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
-
-# Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/
-
 # SECURITY WARNING: keep the secret key used in production secret!
 # SECRET_KEY = 'mnu!)lvd7rkqcs21@esw7st%($-%*-k62-wrzhbjv*u^2#4_6s'
-SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', 'mnu!)lvd7rkqcs21@esw7st%($-%*-k62-wrzhbjv*u^2#4_6s')
+SECRET_KEY = os.environ.get(
+    'DJANGO_SECRET_KEY', 'mnu!)lvd7rkqcs21@esw7st%($-%*-k62-wrzhbjv*u^2#4_6s',
+)
 
 # SECURITY WARNING: don't run with debug turned on in production!
 # DEBUG = True
-DEBUG = bool( os.environ.get('DJANGO_DEBUG', True) )
+DEBUG = bool(os.environ.get('DJANGO_DEBUG', True))
 
 ALLOWED_HOSTS = ['*']
 
-
 # Application definition
 
 INSTALLED_APPS = [
@@ -75,7 +62,6 @@
 
 WSGI_APPLICATION = 'lionstagram.wsgi.application'
 
-
 # Database
 # https://docs.djangoproject.com/en/2.1/ref/settings/#databases
 
@@ -83,29 +69,31 @@
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
-    }
+    },
 }
 
-
 # Password validation
 # https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators
 
 AUTH_PASSWORD_VALIDATORS = [
     {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+        'NAME': 'django.contrib.auth.password_validation.'
+                'UserAttributeSimilarityValidator',
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+        'NAME': 'django.contrib.auth.password_validation.'
+                'MinimumLengthValidator',
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+        'NAME': 'django.contrib.auth.password_validation.'
+                'CommonPasswordValidator',
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+        'NAME': 'django.contrib.auth.password_validation.'
+                'NumericPasswordValidator',
     },
 ]
 
-
 # Internationalization
 # https://docs.djangoproject.com/en/2.1/topics/i18n/
 
@@ -119,7 +107,6 @@
 
 USE_TZ = True
 
-
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/2.1/howto/static-files/
 
@@ -135,6 +122,5 @@
 MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
 
 # Heroku: Update database configuration from $DATABASE_URL.
-import dj_database_url
 db_from_env = dj_database_url.config(conn_max_age=500)
 DATABASES['default'].update(db_from_env)
diff --git a/lionstagram/urls.py b/lionstagram/urls.py
index dde5534..12ae734 100755
--- a/lionstagram/urls.py
+++ b/lionstagram/urls.py
@@ -13,12 +13,14 @@
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+from django.conf import settings
+from django.conf.urls.static import static
 from django.contrib import admin
-from django.urls import path, include
+from django.urls import include
+from django.urls import path
+
 import page.views
 # media 경로
-from django.conf import settings
-from django.conf.urls.static import static
 
 urlpatterns = [
     path('admin/', admin.site.urls),
@@ -26,4 +28,4 @@
     path('post/', include('page.urls')),
     path('account/', include('account.urls')),
     path('comment/', include('comment.urls')),
-] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
\ No newline at end of file
+] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
diff --git a/lionstagram/wsgi.py b/lionstagram/wsgi.py
index 4f0ea4d..fac4f4f 100755
--- a/lionstagram/wsgi.py
+++ b/lionstagram/wsgi.py
@@ -6,7 +6,6 @@
 For more information on this file, see
 https://docs.djangoproject.com/en/2.1/howto/deployment/wsgi/
 """
-
 import os
 
 from django.core.wsgi import get_wsgi_application
diff --git a/manage.py b/manage.py
index 183c658..cc4a00f 100755
--- a/manage.py
+++ b/manage.py
@@ -10,6 +10,6 @@
         raise ImportError(
             "Couldn't import Django. Are you sure it's installed and "
             "available on your PYTHONPATH environment variable? Did you "
-            "forget to activate a virtual environment?"
+            "forget to activate a virtual environment?",
         ) from exc
     execute_from_command_line(sys.argv)
diff --git a/page/admin.py b/page/admin.py
index f1d71c2..5b3d61b 100755
--- a/page/admin.py
+++ b/page/admin.py
@@ -1,6 +1,8 @@
 from django.contrib import admin
-from .models import Post, Like
+
+from .models import Like
+from .models import Post
 
 # Register your models here.
 admin.site.register(Post)
-admin.site.register(Like)
\ No newline at end of file
+admin.site.register(Like)
diff --git a/page/models.py b/page/models.py
index 9aec7b3..0f592a5 100755
--- a/page/models.py
+++ b/page/models.py
@@ -1,11 +1,20 @@
+from django.conf import settings
 from django.db import models
 # 유저 정보 import
-from django.conf import settings
 
 # Create your models here.
+
+
 class Post(models.Model):
-    author = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
-    likes = models.ManyToManyField(settings.AUTH_USER_MODEL, blank=True, related_name='likes', through='Like')
+    author = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE,
+    )
+    likes = models.ManyToManyField(
+        settings.AUTH_USER_MODEL,
+        blank=True,
+        related_name='likes',
+        through='Like',
+    )
     pub_date = models.DateTimeField('publish')
     image = models.ImageField(upload_to='images/', blank=True)
     content = models.TextField()
@@ -20,6 +29,10 @@ def summary(self):
     def likes_count(self):
         return self.likes.count()
 
+
 class Like(models.Model):
-    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
-    post = models.ForeignKey(Post, on_delete=models.CASCADE)
\ No newline at end of file
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+    )
+    post = models.ForeignKey(Post, on_delete=models.CASCADE)
diff --git a/page/templatetags/post_extras.py b/page/templatetags/post_extras.py
index ab4ea09..568d127 100644
--- a/page/templatetags/post_extras.py
+++ b/page/templatetags/post_extras.py
@@ -3,6 +3,7 @@
 
 register = template.Library()
 
+
 @register.filter
 def in_profiles(profiles, author):
-    return profiles.filter(user=author)
\ No newline at end of file
+    return profiles.filter(user=author)
diff --git a/page/tests.py b/page/tests.py
index 7ce503c..601fc86 100755
--- a/page/tests.py
+++ b/page/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
-
+# from django.test import TestCase
 # Create your tests here.
diff --git a/page/urls.py b/page/urls.py
index f84a2e9..041084b 100755
--- a/page/urls.py
+++ b/page/urls.py
@@ -1,4 +1,5 @@
 from django.urls import path
+
 from . import views
 
 urlpatterns = [
@@ -7,4 +8,4 @@
     path('delete/<int:post_id>', views.post_delete, name='post_delete'),
     path('edit/<int:post_id>', views.post_edit, name='post_edit'),
     path('like/', views.post_like, name='post_like'),
-]
\ No newline at end of file
+]
diff --git a/page/views.py b/page/views.py
index 9f333f5..0d440a4 100755
--- a/page/views.py
+++ b/page/views.py
@@ -1,29 +1,33 @@
-from django.shortcuts import render, redirect, get_object_or_404
-from django.utils import timezone
-from .models import Post, Like
-from django.conf import settings
-#Like module import
-from django.http import HttpResponse
 import json
+from io import BytesIO
+
 from django.contrib.auth.decorators import login_required
+from django.core.files.uploadedfile import InMemoryUploadedFile
+from django.http import HttpResponse
+from django.shortcuts import get_object_or_404
+from django.shortcuts import redirect
+from django.shortcuts import render
+from django.utils import timezone
 from django.views.decorators.http import require_POST
+from PIL import Image
+
+from .models import Like
+from .models import Post
 from account.models import Profile
 
-from PIL import Image, ExifTags
-from PIL.ExifTags import TAGS
-from io import BytesIO
-from django.core.files.uploadedfile import InMemoryUploadedFile
 
 def home(request):
     posts = Post.objects
     profiles = Profile.objects
-    return render(request, 'home.html', {'posts': posts, 'profiles':profiles})
+    return render(request, 'home.html', {'posts': posts, 'profiles': profiles})
 
 
 def post_detail(request, post_id):
     post = get_object_or_404(Post, pk=post_id)
     profile = Profile.objects.filter(user=post.author)
-    return render(request, 'post_detail.html', {'post': post, 'profile':profile})
+    return render(
+        request, 'post_detail.html', {'post': post, 'profile': profile},
+    )
 
 
 def post_new(request):
@@ -36,15 +40,15 @@ def post_new(request):
         if 'image' in request.FILES:
             image = Image.open(request.FILES['image'])
             exif = image._getexif()
-            orientation_key = 274 # cf ExifTags
-            
+            orientation_key = 274  # cf ExifTags
+
             if exif and orientation_key in exif:
                 orientation = exif[orientation_key]
 
                 rotate_values = {
                     3: Image.ROTATE_180,
                     6: Image.ROTATE_270,
-                    8: Image.ROTATE_90
+                    8: Image.ROTATE_90,
                 }
 
                 if orientation in rotate_values:
@@ -69,6 +73,7 @@ def post_new(request):
     else:
         return render(request, 'post_new.html')
 
+
 def post_delete(request, post_id):
     post = get_object_or_404(Post, pk=post_id)
     if post.author == request.user:
@@ -96,6 +101,8 @@ def post_edit(request, post_id):
             return redirect('home')
 
 # 좋아요 구현
+
+
 @login_required
 @require_POST
 def post_like(request):
@@ -103,12 +110,14 @@ def post_like(request):
     post = get_object_or_404(Post, pk=pk)  # 해당 포스트
 
     # Like create
-    post_like, post_like_created = Like.objects.get_or_create(user=request.user, post=post)
+    post_like, post_like_created = Like.objects.get_or_create(
+        user=request.user, post=post,
+    )
 
     if not post_like_created:
         post_like.delete()
 
     # Like count
     likes_count = Like.objects.filter(post=post, post_id=pk).count()
-    content = {'likes_count': likes_count} 
+    content = {'likes_count': likes_count}
     return HttpResponse(json.dumps(content))