diff --git a/st2common/st2common/util/config_loader.py b/st2common/st2common/util/config_loader.py
index bdc6634d2b..793df93482 100644
--- a/st2common/st2common/util/config_loader.py
+++ b/st2common/st2common/util/config_loader.py
@@ -96,7 +96,9 @@ def _get_values_for_config(self, config_schema_db, config_db):
 
         # If config_schema is available we do a second pass and set default values for required
         # items which values are not provided / available in the config itself
-        config = self._assign_subschema_default_values(schema=schema_values, instance=config)
+        config = self._assign_subschema_default_values(
+            schema=schema_values, instance=config
+        )
         return config
 
     @staticmethod
@@ -342,16 +344,10 @@ def _assign_default_values(self, schema, instance, can_replace_instance=False):
         if schema_type == "object":
             has_properties = schema.get("properties", None)
             has_pattern_properties = schema.get("patternProperties", None)
-            has_additional_properties = schema.get(
-                "additionalProperties", None
-            )
+            has_additional_properties = schema.get("additionalProperties", None)
 
             # Inspect nested object properties
-            if (
-                has_properties
-                or has_pattern_properties
-                or has_additional_properties
-            ):
+            if has_properties or has_pattern_properties or has_additional_properties:
                 if not instance:
                     instance = {}