diff --git a/backend/metagenedb/apps/catalog/views/statistics.py b/backend/metagenedb/apps/catalog/views/statistics.py
index 2ac847d6ecb47d5c7ed8d873199315392f64d4a0..36ca58aa858161517b8443a1d32fb82ab4e03278 100644
--- a/backend/metagenedb/apps/catalog/views/statistics.py
+++ b/backend/metagenedb/apps/catalog/views/statistics.py
@@ -34,6 +34,7 @@ def _count_windows(df, window_col, window_size=10000):
         'labels': labels
     }
 
+
 @api_view(['GET'])
 def gene_length(request):
     df = pd.DataFrame(list(Gene.objects.all().values(GENE_LENGTH_COL)))