diff --git a/fet2020/fet2020/settings.py b/fet2020/fet2020/settings.py
index 2e7e7230..dc248130 100644
--- a/fet2020/fet2020/settings.py
+++ b/fet2020/fet2020/settings.py
@@ -44,7 +44,7 @@ DEBUG = True
 
 ALLOWED_HOSTS = []
 
-DATA_UPLOAD_MAX_MEMORY_SIZE = 1024*1024*1024
+DATA_UPLOAD_MAX_MEMORY_SIZE = 1024 * 1024 * 1024
 # Application definition
 CKEDITOR_UPLOAD_PATH = 'upload'
 
diff --git a/fet2020/fet2020/urls.py b/fet2020/fet2020/urls.py
index 0c186aad..cd376bf8 100644
--- a/fet2020/fet2020/urls.py
+++ b/fet2020/fet2020/urls.py
@@ -35,4 +35,4 @@ urlpatterns = [
     path('ckeditor/', include('ckeditor_uploader.urls')),
     path('api/', include(router.urls)),
     path('members/', include('members.urls')),
-]+static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
diff --git a/fet2020/members/models.py b/fet2020/members/models.py
index 5beecd15..9365d068 100644
--- a/fet2020/members/models.py
+++ b/fet2020/members/models.py
@@ -29,12 +29,8 @@ class ActiveMemberManager(models.Manager):
         date_today = timezone.now().date()
 
         return super().get_queryset().filter(
-            Q(member__role='A') &
-            (
-                Q(job_end__gt=date_today) |
-                Q(job_end__isnull=True)
-            )
-        )
+            Q(member__role='A')
+            & (Q(job_end__gt=date_today) | Q(job_end__isnull=True)))
 
 
 class InactiveMemberManager(models.Manager):
@@ -45,12 +41,8 @@ class InactiveMemberManager(models.Manager):
         date_today = timezone.now().date()
 
         return super().get_queryset().filter(
-            Q(member__role='P') |
-            (
-                Q(job_end__lt=date_today + timedelta(days=1)) &
-                Q(job_end__isnull=False)
-            )
-        )
+            Q(member__role='P')
+            | (Q(job_end__lt=date_today + timedelta(days=1)) & Q(job_end__isnull=False)))
 
 
 class Member(models.Model):
@@ -61,7 +53,7 @@ class Member(models.Model):
 
     __choices = [
         ('A', _('Active')),
-        ('P', _('Pension'))
+        ('P', _('Pension')),
     ]
     role = models.CharField(max_length=1, choices=__choices, default='A')
 
@@ -76,12 +68,12 @@ class Member(models.Model):
     ))
     phone_regex = RegexValidator(
         regex=r'^\+?1?\d{9,15}$',
-        message=phone_error_msg
+        message=phone_error_msg,
     )
     phone = models.CharField(
         validators=[phone_regex],
         max_length=17,
-        blank=True
+        blank=True,
     )
 
     address = models.TextField(null=True, blank=True)
@@ -112,7 +104,7 @@ class MemberSerializer(serializers.HyperlinkedModelSerializer):
             'mailaccount',
             'role',
             'description',
-            'image'
+            'image',
         ]
 
 
diff --git a/fet2020/posts/admin.py b/fet2020/posts/admin.py
index e1ecc8fa..db3a3d74 100644
--- a/fet2020/posts/admin.py
+++ b/fet2020/posts/admin.py
@@ -1,5 +1,5 @@
-import django.contrib.auth.admin
-import django.contrib.auth.models
+# import django.contrib.auth.admin
+# import django.contrib.auth.models
 import taggit.admin
 
 from django.contrib import admin, auth
@@ -33,21 +33,27 @@ class MyPostAdmin(admin.ModelAdmin):
             "jquery-ui/jquery-ui.min.js",
         ]
 
+
 class MyEventAdmin(MyPostAdmin):
     form = MyEventForm
     model = Event
     list_display = ['title', 'subtitle', 'slug', 'event_start', 'public_date']
 
+
 admin.site.register(Event, MyEventAdmin)
 
+
 class MyNewsAdmin(MyPostAdmin):
     form = MyNewsForm
     model = News
 
+
 admin.site.register(News, MyNewsAdmin)
 
+
 class MyFetMeetingAdmin(MyEventAdmin):
     form = MyFetMeetingForm
     model = FetMeeting
 
-admin.site.register(FetMeeting, MyFetMeetingAdmin)
\ No newline at end of file
+
+admin.site.register(FetMeeting, MyFetMeetingAdmin)
diff --git a/fet2020/posts/forms.py b/fet2020/posts/forms.py
index af918ed0..5f06e7c6 100644
--- a/fet2020/posts/forms.py
+++ b/fet2020/posts/forms.py
@@ -1,4 +1,4 @@
-from ckeditor_uploader.widgets import CKEditorUploadingWidget  
+from ckeditor_uploader.widgets import CKEditorUploadingWidget
 from django import forms
 
 from .models import Post, Event, News, FetMeeting
@@ -8,49 +8,52 @@ class MyPostForm(forms.ModelForm):
     class Meta:
         model = Post
         fields = ['title', 'subtitle', 'tags', 'image', 'body', 'slug', 'author']
-       
+
         widgets = {'body': CKEditorUploadingWidget(config_name='default')}
 
     class Media:
         js = (
-            'js/auto_slug.js',   # automatic slag completion via ajax
-            'js/tag_completion.js', # to get a list for tag autocompletion via ajax
+            'js/auto_slug.js',  # automatic slag completion via ajax
+            'js/tag_completion.js',  # to get a list for tag autocompletion via ajax
         )
 
+
 class MyNewsForm(MyPostForm):
     class Meta:
         model = News
         fields = ['title', 'subtitle', 'tags', 'image', 'body', 'slug', 'author']
- 
+
         widgets = {'body': CKEditorUploadingWidget(config_name='default')}
-       
+
     def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs) # to get the self.fields set
+        super().__init__(*args, **kwargs)  # to get the self.fields set
+
 
 class MyEventForm(MyPostForm):
     class Meta:
         model = Event
         fields = ['title', 'subtitle', 'tags', 'image', 'body',
                   'event_start', 'event_end', 'event_place', 'slug', 'author']
-        
+
         widgets = {'body': CKEditorUploadingWidget(config_name='default')}
-       
+
     def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs) # to get the self.fields set
+        super().__init__(*args, **kwargs)  # to get the self.fields set
 
         self.fields['event_start'].required = True
         self.fields['event_end'].required = True
-        
+
         if 'event_place' in self.fields:
             self.fields['event_place'].required = True
 
+
 class MyFetMeetingForm(MyEventForm):
     class Meta:
         model = FetMeeting
         fields = ['event_start', 'event_end', 'tags']
-       
+
     def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs) # to get the self.fields set
+        super().__init__(*args, **kwargs)  # to get the self.fields set
 
         self.fields['event_start'].required = True
-        self.fields['event_end'].required = False
\ No newline at end of file
+        self.fields['event_end'].required = False
diff --git a/fet2020/posts/models.py b/fet2020/posts/models.py
index 90a8a12d..fa4e5023 100644
--- a/fet2020/posts/models.py
+++ b/fet2020/posts/models.py
@@ -3,14 +3,14 @@ from django.db import models
 from django.db.models import Q
 from django.urls import reverse
 from django.utils import timezone
-from django.utils.text import slugify 
+from django.utils.text import slugify
 from django.utils.translation import gettext_lazy as _
 
 from taggit.managers import TaggableManager
 
-#from ckeditor_uploader import RichTextUploadingField
-import uuid
-import re 
+# from ckeditor_uploader import RichTextUploadingField
+# import uuid
+import re
 from rest_framework import serializers
 
 from datetime import timedelta
@@ -26,7 +26,8 @@ logger = logging.getLogger('posts')
 class PostManager(models.Manager):
     def get_queryset(self):
         return super().get_queryset()
-        
+
+
 class ArticleManager(models.Manager):
     """
     Provide a query set only for "Article"
@@ -35,10 +36,12 @@ class ArticleManager(models.Manager):
     def get_queryset(self):
         return super().get_queryset().filter(Q(post_type='E') | Q(post_type='N'))
 
+
 class NewsManager(models.Manager):
     def get_queryset(self):
         return super().get_queryset().filter(~Q(is_event=True))
 
+
 class EventManager(models.Manager):
     """
     Provide a query set only for "Events"
@@ -47,6 +50,7 @@ class EventManager(models.Manager):
     def get_queryset(self):
         return super().get_queryset().filter(Q(is_event=True) & Q(post_type='E'))
 
+
 class FetMeetingManager(models.Manager):
     def get_queryset(self):
         return super().get_queryset().filter(Q(post_type='F'))
@@ -62,18 +66,19 @@ class Category(models.Model):
 
     subtitle = models.CharField(max_length=500, null=True, blank=True)
     # Slug = Text Basierter url bestandteil zb Fetsitzung 22.1.2020 --> fetsitzung_22_1_2020 für Url
-    slug = models.SlugField(unique=True,null=True,blank=True)
+    slug = models.SlugField(unique=True, null=True, blank=True)
     # Ein Haupt Bild für den Post
     image = models.ImageField(null=True, blank=True)
-    
+
     tags = TaggableManager(blank=True)
 
     class Meta:
         verbose_name = "Category"
         verbose_name_plural = "Categories"
- 
+
+
 class Post(models.Model):
-    #id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    # id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     legacy_id = models.IntegerField(null=True)
     legacy_rubrik_id = models.IntegerField(null=True)
     # Titel des Posts
@@ -88,11 +93,11 @@ class Post(models.Model):
     image = models.ImageField(null=True, blank=True)
     # Wer hat das geschrieben
     author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
-    
+
     tags = TaggableManager(blank=True)
     # Datum ab dem etwas öffentlich sein soll
     public_date = models.DateField('date published', null=True, blank=True, default=timezone.now)
-    
+
     imported_from = models.CharField(max_length=200, null=True, blank=True)
 
     __choices = [
@@ -118,11 +123,11 @@ class Post(models.Model):
     # TimeStamps
     date_modified = models.DateTimeField(auto_now=True)
     date_created = models.DateTimeField(auto_now_add=True)
-    
+
     # Managers
     objects = PostManager()
     article_objects = ArticleManager()
-   
+
     def get_tags(self):
         """Returns assigned tags as a comma seperated list."""
         return ",".join(self.tags.names())
@@ -132,7 +137,7 @@ class Post(models.Model):
         if self.image:
             return self.image.url
         else:
-            image=self.find_an_image()
+            image = self.find_an_image()
             if image:
                 return image.url
             else:
@@ -145,16 +150,17 @@ class Post(models.Model):
         "find an image via another post"
         # TODO: Explain why this image is selected on save of the image
         # Query all posts that have a slug that equals one of the tags
-        posts1 = Post.objects.filter(slug__in=self.tags.names()).filter(image__isnull=False)[0:1].all()
+        posts1 = Post.objects.filter(
+            slug__in=self.tags.names()).filter(image__isnull=False)[0:1].all()
         if len(posts1) > 0:
             return posts1.get().image
-        
-        #posts2=self.tags.similar_objects()
-        #for p in posts2:
+
+        # posts2=self.tags.similar_objects()
+        # for p in posts2:
         #    if p.image is not None:
         #        return p.image
         return None
-        
+
     @property
     def url(self):
         return reverse('posts.show', kwargs={"id": self.slug})
@@ -170,7 +176,8 @@ class Post(models.Model):
                       *re.findall(r'\#([\d\w-]+)', str(self.title)))
 
     def __str__(self):
-        return "Post (%s, %s): %s " %(self.slug, self.public_date.strftime("%d.%m.%Y"), self.title)
+        return "Post (%s, %s): %s " % (self.slug, self.public_date.strftime("%d.%m.%Y"), self.title)
+
 
 class PostSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
@@ -185,10 +192,11 @@ class PostSerializer(serializers.HyperlinkedModelSerializer):
             'legacy_id',
             'image',
             'event_start',
-            'event_end', 
-            'is_fetsitzung'
+            'event_end',
+            'is_fetsitzung',
         ]
 
+
 class News(Post):
     objects = NewsManager()
 
@@ -197,19 +205,20 @@ class News(Post):
 
         verbose_name = "News"
         verbose_name_plural = "News"
-   
+
     def save(self, *args, **kwargs):
         if not self.post_type:
             self.post_type = 'N'
-    
+
         super().save(*args, **kwargs)
 
+
 class Event(Post):
     objects = EventManager()
 
     class Meta:
         proxy = True
-       
+
     def save(self, *args, **kwargs):
         self.is_event = True
 
@@ -218,6 +227,7 @@ class Event(Post):
 
         super().save(*args, **kwargs)
 
+
 class FetMeeting(Event):
     objects = FetMeetingManager()
 
@@ -231,14 +241,14 @@ class FetMeeting(Event):
         self.title = "Fachschaftssitzung"
         self.slug = slugify(self.event_start.date()) + "-" + slugify(self.title)
         self.body = "TODO: Agenda + Protokoll Link"
-        
-        #TODO
-        #self.image
+
+        # TODO
+        # self.image
 
         self.has_protocol = True
         self.has_agenda = True
-        
-        #TODO
+
+        # TODO
         # self.protocol_key
         # self.agenda_key
 
@@ -252,4 +262,4 @@ class FetMeeting(Event):
         if not self.event_end:
             self.event_end = self.event_start + timedelta(hours=2)
 
-        super().save(*args, **kwargs)
\ No newline at end of file
+        super().save(*args, **kwargs)
diff --git a/fet2020/posts/templatetags/post_helpers.py b/fet2020/posts/templatetags/post_helpers.py
index 2e04c7d2..93b171b8 100644
--- a/fet2020/posts/templatetags/post_helpers.py
+++ b/fet2020/posts/templatetags/post_helpers.py
@@ -5,9 +5,8 @@ from django.utils.safestring import mark_safe
 register = template.Library()
 
 
-
 @register.filter(is_safe=True)
 @stringfilter
 def tags_to_url(value):
-    #return "Tag to url: %s" % value
-    return mark_safe(re.sub(r'\#([\d\w-]+)', '<a href="/posts/t/\g<1>">#\g<1></a>', value))
\ No newline at end of file
+    # return "Tag to url: %s" % value
+    return mark_safe(re.sub(r'\#([\d\w-]+)', r'<a href="/posts/t/\g<1>">#\g<1></a>', value))
diff --git a/fet2020/posts/tests.py b/fet2020/posts/tests.py
index 7ce503c2..a79ca8be 100644
--- a/fet2020/posts/tests.py
+++ b/fet2020/posts/tests.py
@@ -1,3 +1,3 @@
-from django.test import TestCase
+# from django.test import TestCase
 
 # Create your tests here.
diff --git a/fet2020/posts/urls.py b/fet2020/posts/urls.py
index 2c612f57..db5dac31 100644
--- a/fet2020/posts/urls.py
+++ b/fet2020/posts/urls.py
@@ -2,10 +2,10 @@ from django.urls import path
 from . import views
 
 
-urlpatterns=[
+urlpatterns = [
     path('func/tag_complete', views.tag_complete),
     path('func/slug_calc', views.slug_calc),
     path('t/<str:tag>', views.tags, name='posts.tags'),
     path('', views.index, name='posts.index'),
     path('<str:id>', views.show, name='posts.show'),
-]
\ No newline at end of file
+]
diff --git a/fet2020/posts/views.py b/fet2020/posts/views.py
index 6a8b5f9d..9823d451 100644
--- a/fet2020/posts/views.py
+++ b/fet2020/posts/views.py
@@ -1,13 +1,13 @@
 from django.shortcuts import render
-from django.http import HttpResponse, JsonResponse
+from django.http import HttpResponse, JsonResponse, HttpResponseServerError
 from django_filters.rest_framework import DjangoFilterBackend
-from django.core.cache import cache
+# from django.core.cache import cache
 from django.utils.text import slugify
 from django.utils import timezone
 
 from taggit.models import Tag
 from rest_framework import viewsets
-from rest_framework import permissions
+# from rest_framework import permissions
 
 from .models import Post, PostSerializer
 
@@ -20,26 +20,28 @@ from collections import deque
 
 def index(request):
     posts = deque(Post.objects.order_by('-public_date').all())
-    f = lambda p: p.tags
+
+    def f(p):
+        return p.tags
     t = map(f, posts)
 
     return render(request, 'posts/index.html', {"posts": posts, "tags_list": t})
 
 
-def tags(request,tag=""):
+def tags(request, tag=""):
     posts = deque(Post.objects.filter(tags__name=tag))
     return render(request, 'posts/index.html', {"posts": posts, "tags_list": None})
 
 
-def show(request,id=None):
+def show(request, id=None):
     if id.isdigit() or id is int:
         p = Post.objects.get(id=int(id))
-    elif id != "" and not id is None:
+    elif id != "" and id is not None:
         p = Post.objects.get(slug=(id))
 
     context = {
         "post": p,
-        "next": get_next_dict().get(p.slug,None),
+        "next": get_next_dict().get(p.slug, None),
         "related_posts": p.tags.similar_objects()
     }
     return render(request, 'posts/show.html', context)
@@ -77,7 +79,7 @@ def tag_complete(request):
 
         tag_objects = Tag.objects.filter(name__istartswith=term)
 
-        tag_array =[]
+        tag_array = []
         for elem in tag_objects:
             tag_array.append(elem.name)
 
@@ -87,15 +89,15 @@ def tag_complete(request):
 
 
 def get_next_dict():
-    #TODO: Docstring
+    # TODO: Docstring
     posts = Post.article_objects.order_by('-public_date').values('slug')
     print(posts)
     d = {}
     print(d)
-    for k,v in enumerate(posts):
+    for k, v in enumerate(posts):
         if k == len(posts) - 1:
             break
-        d[v['slug']] = posts[k+1]['slug']
+        d[v['slug']] = posts[k + 1]['slug']
     print(d)
     return d
 
@@ -106,9 +108,9 @@ class PostViewSet(viewsets.ModelViewSet):
     """
     queryset = Post.objects.all().order_by('-public_date')
     serializer_class = PostSerializer
-    #permission_classes = [permissions.IsAuthenticated]
+    # permission_classes = [permissions.IsAuthenticated]
     filter_backends = [DjangoFilterBackend]
-    filterset_fields = ['legacy_id', 'slug','legacy_rubrik_id']
+    filterset_fields = ['legacy_id', 'slug', 'legacy_rubrik_id']
     lookup_field = 'slug'
 
     def pre_save(self, obj):