diff --git a/sandbox/conf/base.py b/sandbox/conf/base.py
index 6061e1d..8b13dd7 100644
--- a/sandbox/conf/base.py
+++ b/sandbox/conf/base.py
@@ -1,6 +1,7 @@
 """
 django 4.2.1
 """
+
 from pathlib import Path
 
 import environ
diff --git a/sandbox/urls.py b/sandbox/urls.py
index 563ce37..eaacc70 100644
--- a/sandbox/urls.py
+++ b/sandbox/urls.py
@@ -1,4 +1,5 @@
 """config URL Configuration 4.1"""
+
 from django.conf import settings
 from django.conf.urls.i18n import i18n_patterns
 from django.conf.urls.static import static
diff --git a/src/posts/views/post_views.py b/src/posts/views/post_views.py
index 1343356..d916b90 100644
--- a/src/posts/views/post_views.py
+++ b/src/posts/views/post_views.py
@@ -17,7 +17,6 @@
 
 
 class PostList(PostListMenuMixin, ListView):
-
     """display only public posts"""
 
     template_name = "posts/post_list.html"
diff --git a/src/profiles/admin.py b/src/profiles/admin.py
index 0937617..40a5140 100644
--- a/src/profiles/admin.py
+++ b/src/profiles/admin.py
@@ -88,9 +88,11 @@ def changelist_view(self, request, extra_context=None):
             {
                 "period": x["period"],
                 "sub_total": x["sub_total"] or 0,
-                "pct": ((x["sub_total"] or 0) - low) / (high - low) * 100
-                if high > low
-                else 0,
+                "pct": (
+                    ((x["sub_total"] or 0) - low) / (high - low) * 100
+                    if high > low
+                    else 0
+                ),
             }
             for x in calc_qs
         ]