diff --git a/core/utils.py b/core/utils.py
index 9b074478..aeab962a 100644
--- a/core/utils.py
+++ b/core/utils.py
@@ -38,11 +38,17 @@ import PIL
 from django.conf import settings
 from django.core.files.base import ContentFile
 
+
 def get_git_revision_short_hash() -> str:
     """
     Return the short hash of the current commit
     """
-    return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode('ascii').strip()
+    return (
+        subprocess.check_output(["git", "rev-parse", "--short", "HEAD"])
+        .decode("ascii")
+        .strip()
+    )
+
 
 def get_start_of_semester(d=date.today()):
     """