All: Apply Black coding rules

counter/migrations/0015_merge.py

@@ -7,9 +7,8 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('counter', '0014_auto_20170817_1537'),
-        ('counter', '0014_auto_20170816_1521'),
+        ("counter", "0014_auto_20170817_1537"),
+        ("counter", "0014_auto_20170816_1521"),
     ]
 
-    operations = [
-    ]
+    operations = []