diff --git a/shiftregister/app/admin.py b/shiftregister/app/admin.py
index 0611887..e33a2e8 100644
--- a/shiftregister/app/admin.py
+++ b/shiftregister/app/admin.py
@@ -14,6 +14,7 @@ class ShiftAdmin(admin.ModelAdmin):
 
     # def helpers(self, object):
     #    object.helpers.count()
+
     def free_slots(self, object):
         return object.room.required_helpers - object.shiftregistration_set.count()
 
diff --git a/shiftregister/app/middleware.py b/shiftregister/app/middleware.py
index 027fdf6..35f0821 100644
--- a/shiftregister/app/middleware.py
+++ b/shiftregister/app/middleware.py
@@ -1,17 +1,20 @@
 from .models import LoginToken
+
+
 def check_helper(get_response):
     # One-time configuration and initialization.
 
     def middleware(request):
+        request.helper = None
+
         # Code to be executed for each request before
         # the view (and later middleware) are called.
         if request.session.get("token"):
-            tk =  LoginToken.objects.get(pk=request.session.get("token"))
+            tk = LoginToken.objects.get(pk=request.session.get("token"))
             if not tk:
                 del request.session["token"]
             else:
                 request.helper = tk.helper
-            
 
         response = get_response(request)
 
@@ -20,4 +23,4 @@ def check_helper(get_response):
 
         return response
 
-    return middleware
\ No newline at end of file
+    return middleware
diff --git a/shiftregister/app/templates/helper_base.html b/shiftregister/app/templates/helper_base.html
index 101099f..581516a 100644
--- a/shiftregister/app/templates/helper_base.html
+++ b/shiftregister/app/templates/helper_base.html
@@ -24,14 +24,15 @@
     </div>
 </section>
 
-{% if DEBUG%}
+{% if DEBUG %}
 <footer class="footer">
-Debug Mode:
+    <div class="container">
+        Debug-Modus:
 {% if helper %}
-<a href="{% url 'token_logout' %}">logout</a>
-<a href="{{ helper.logintoken_set.first.get_absolute_url }}">login url</a>
+        <a href="{% url 'token_logout' %}">logout</a>
+        <a href="{{ helper.logintoken_set.first.get_absolute_url }}">login url</a>
 {% endif %}
+    </div>
 </footer>
 {% endif %}
-
-{% endblock %}
\ No newline at end of file
+{% endblock %}
diff --git a/shiftregister/app/views.py b/shiftregister/app/views.py
index 8bd05b7..8237049 100644
--- a/shiftregister/app/views.py
+++ b/shiftregister/app/views.py
@@ -11,6 +11,7 @@ from django.contrib import messages
 def index(request):
     if request.session.get("last_seen_shift"):
         del request.session["last_seen_shift"]
+
     # dont show shifts starting in <60 minutes?
     # currently only sorts by date
     context = {}
@@ -29,11 +30,13 @@ def index(request):
             .order_by("shift__start_at")
             .first()
         )
+
     free_shifts = (
         Shift.objects.annotate(reg_count=Count("shiftregistration"))
         .filter(start_at__gt=timezone.now(), room__required_helpers__gt=F("reg_count"))
         .order_by("start_at")
     )
+
     if request.helper:
         free_shifts = (
             Shift.objects.annotate(reg_count=Count("shiftregistration"))
@@ -43,6 +46,7 @@ def index(request):
             .filter(~Q(shiftregistration__helper=request.helper))
             .order_by("start_at")
         )
+
     context["free_shifts"] = free_shifts
     return render(request, "shiftlist.html", context)
 
@@ -57,17 +61,21 @@ def login(request, token):
             messages.SUCCESS,
             "Nummer bestätigt, Du kannst dich jetzt für Schichten anmelden",
         )
+
     request.session["token"] = token
+
     # if the user was viewing a single shift before registering, they probably want to register for that
     # shift so we redirect them there.
     if request.session.get("last_seen_shift"):
         return redirect("shift", shiftid=request.session["last_seen_shift"])
+
     return redirect("index")
 
 
 def logout(request):
     if request.session.get("token"):
         del request.session["token"]
+
     return redirect("index")
 
 
@@ -76,13 +84,16 @@ def register(request):
     if request.helper:
         if request.session.get("last_seen_shift"):
             return redirect("shift", shiftid=request.session["last_seen_shift"])
+
         return redirect("index")
+
     context = {}
     if request.method == "POST":
         form = RegisterForm(request.POST)
         if not form.is_valid():
             context["form"] = form
             return render(request, "register.html", context)
+
         helper = Helper(
             name=form.cleaned_data["name"], phone=form.cleaned_data["phone"]
         )
@@ -95,7 +106,9 @@ def register(request):
                 messages.INFO,
                 f"DEBUG: login token: {token.get_absolute_url()}",
             )
+
         return render(request, "wait_confirmation.html", {"helper": helper})
+
     context["form"] = RegisterForm()
     return render(request, "register.html", context)
 
@@ -110,10 +123,12 @@ def shift(request, shiftid):
         "shift": shift,
         "shift_form": EmptyForm,
     }
+
     # this currently ignores date/time
     request.session["last_seen_shift"] = shiftid
     if shift.room.required_helpers > shift.shiftregistration_set.count():
         context["can_register"] = True
+
     if helper:
         context["helper"] = helper
         reg = ShiftRegistration.objects.filter(shift=shift, helper=helper)
@@ -122,6 +137,7 @@ def shift(request, shiftid):
             context["can_register"] = False
             if reg[0].can_cancel():
                 context["can_cancel"] = True
+
     if request.method == "POST":
         if EmptyForm(request.POST).is_valid():
             if not helper:
@@ -148,6 +164,7 @@ def shift(request, shiftid):
                 )
                 # redirect so page can be reloaded without resending post data
                 return redirect("shift", shiftid=shift.pk)
+
     return render(request, "shift.html", context)
 
 
@@ -158,6 +175,7 @@ def cancel(request, shiftid):
         return redirect("shift", shiftid=shiftid)
     if not request.session.get("token"):
         return redirect("shift", shiftid=shiftid)
+
     shift = get_object_or_404(Shift, pk=shiftid)
     reg = get_object_or_404(ShiftRegistration, helper=request.helper, shift=shift)
     if reg.can_cancel():
@@ -173,4 +191,5 @@ def cancel(request, shiftid):
             messages.WARNING,
             "Abmeldung nicht (mehr) möglich, bitte wende dich an den Infopoint",
         )
+
     return redirect("shift", shiftid=shiftid)
diff --git a/shiftregister/settings.py b/shiftregister/settings.py
index df0b2a2..44405cf 100644
--- a/shiftregister/settings.py
+++ b/shiftregister/settings.py
@@ -52,7 +52,7 @@ MIDDLEWARE = [
     "django.contrib.auth.middleware.AuthenticationMiddleware",
     "django.contrib.messages.middleware.MessageMiddleware",
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
-    "shiftregister.app.middleware.check_helper"
+    "shiftregister.app.middleware.check_helper",
 ]
 
 ROOT_URLCONF = "shiftregister.urls"
diff --git a/templates/base.html b/templates/base.html
index 0a6fe2b..3ed456e 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -18,13 +18,12 @@
             </div>
         </div>
     </nav>
-        {% for message in messages %}
-            <div class="notification {% for tag in message.tags.split %} is-{{ tag }} {% endfor %}}">
-                <button class="delete"></button>
-                {{ message }}
-            </div>
-        {% endfor %}
-
+{% for message in messages %}
+    <div class="notification{% for tag in message.tags.split %} is-{{ tag }}{% endfor %}">
+        <button class="delete"></button>
+        {{ message }}
+    </div>
+{% endfor %}
 {% block body %}
 {% endblock %}
 </body>