fix flake8

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)))