diff --git a/packages/plugins/minos-router-graphql/minos/plugins/graphql/builders/schema.py b/packages/plugins/minos-router-graphql/minos/plugins/graphql/builders/schema.py
index 82a5bc12f..be9b7e4a4 100644
--- a/packages/plugins/minos-router-graphql/minos/plugins/graphql/builders/schema.py
+++ b/packages/plugins/minos-router-graphql/minos/plugins/graphql/builders/schema.py
@@ -69,9 +69,7 @@ def _build_queries(cls, routes):
             if route.KIND == EnrouteDecoratorKind.Query:
                 fields[route.name] = cls._build_field(route, callback)
 
-        result = GraphQLObjectType(
-            "Query", fields={"dummy": GraphQLString}
-        )
+        result = GraphQLObjectType("Query", fields={"dummy": GraphQLString})
         if len(fields) > 0:
             result = GraphQLObjectType("Query", fields=fields)
 
diff --git a/packages/plugins/minos-router-graphql/tests/test_graphql/test_builders/test_schema.py b/packages/plugins/minos-router-graphql/tests/test_graphql/test_builders/test_schema.py
index abf9c7bb1..f33fa82e3 100644
--- a/packages/plugins/minos-router-graphql/tests/test_graphql/test_builders/test_schema.py
+++ b/packages/plugins/minos-router-graphql/tests/test_graphql/test_builders/test_schema.py
@@ -15,9 +15,9 @@
     Response,
 )
 from minos.plugins.graphql import (
-    GraphQLSchemaBuilder,
     GraphQlCommandEnrouteDecorator,
     GraphQlQueryEnrouteDecorator,
+    GraphQLSchemaBuilder,
 )
 from tests.utils import (
     BASE_PATH,