diff --git a/packages/plugins/minos-router-graphql/minos/plugins/graphql/schema_builder.py b/packages/plugins/minos-router-graphql/minos/plugins/graphql/schema_builder.py
index 5bc97ec28..29556868e 100644
--- a/packages/plugins/minos-router-graphql/minos/plugins/graphql/schema_builder.py
+++ b/packages/plugins/minos-router-graphql/minos/plugins/graphql/schema_builder.py
@@ -13,7 +13,8 @@
     GraphQLArgument,
     GraphQLField,
     GraphQLObjectType,
-    GraphQLSchema, GraphQLString,
+    GraphQLSchema,
+    GraphQLString,
 )
 
 from minos.networks import (
@@ -60,11 +61,9 @@ def _build_queries(cls, routes):
             if route.KIND == EnrouteDecoratorKind.Query:
                 fields[route.name] = cls._build_field(route, callback)
 
-        result = GraphQLObjectType("Query", fields={
-            'hello': GraphQLField(
-                GraphQLString,
-                resolve=lambda obj, info: 'world')
-        })
+        result = GraphQLObjectType(
+            "Query", fields={"hello": GraphQLField(GraphQLString, resolve=lambda obj, info: "world")}
+        )
         if len(fields) > 0:
             result = GraphQLObjectType("Query", fields=fields)
 
diff --git a/packages/plugins/minos-router-graphql/tests/test_graphql/test_routers.py b/packages/plugins/minos-router-graphql/tests/test_graphql/test_routers.py
index 7a1be2d05..4f88c7c27 100644
--- a/packages/plugins/minos-router-graphql/tests/test_graphql/test_routers.py
+++ b/packages/plugins/minos-router-graphql/tests/test_graphql/test_routers.py
@@ -1,8 +1,8 @@
 import unittest
 
 from graphql import (
-    validate_schema,
     GraphQLSchema,
+    validate_schema,
 )
 
 from minos.common import (
diff --git a/packages/plugins/minos-router-graphql/tests/test_graphql/test_schema_builder.py b/packages/plugins/minos-router-graphql/tests/test_graphql/test_schema_builder.py
index bcbd99a12..59c20ea86 100644
--- a/packages/plugins/minos-router-graphql/tests/test_graphql/test_schema_builder.py
+++ b/packages/plugins/minos-router-graphql/tests/test_graphql/test_schema_builder.py
@@ -1,23 +1,27 @@
 import unittest
 
 from graphql import (
+    GraphQLString,
     graphql_sync,
-    validate_schema, GraphQLString,
+    validate_schema,
+)
+
+from minos.common import (
+    MinosConfig,
 )
 from minos.networks import (
     Request,
     Response,
 )
-from minos.common import (
-    MinosConfig,
-)
 from minos.plugins.graphql import (
     GraphQlEnroute,
     GraphQlHttpRouter,
     GraphQLSchemaBuilder,
 )
-from minos.plugins.graphql.decorators import GraphQlCommandEnrouteDecorator, GraphQlQueryEnrouteDecorator
-
+from minos.plugins.graphql.decorators import (
+    GraphQlCommandEnrouteDecorator,
+    GraphQlQueryEnrouteDecorator,
+)
 from tests.utils import (
     BASE_PATH,
 )
@@ -33,12 +37,17 @@ class TestSomething(unittest.TestCase):
 
     def test_build(self):
         routes = {
-            GraphQlCommandEnrouteDecorator(name="order_command", argument=GraphQLString,
-                                           output=GraphQLString): callback_fn,
-            GraphQlCommandEnrouteDecorator(name="ticket_command", argument=GraphQLString,
-                                           output=GraphQLString): callback_fn,
+            GraphQlCommandEnrouteDecorator(
+                name="order_command", argument=GraphQLString, output=GraphQLString
+            ): callback_fn,
+            GraphQlCommandEnrouteDecorator(
+                name="ticket_command", argument=GraphQLString, output=GraphQLString
+            ): callback_fn,
             GraphQlQueryEnrouteDecorator(name="order_query", argument=GraphQLString, output=GraphQLString): callback_fn,
-            GraphQlQueryEnrouteDecorator(name="ticket_query", argument=GraphQLString, output=GraphQLString): callback_fn}
+            GraphQlQueryEnrouteDecorator(
+                name="ticket_query", argument=GraphQLString, output=GraphQLString
+            ): callback_fn,
+        }
 
         schema = GraphQLSchemaBuilder.build(routes=routes)
 
@@ -49,7 +58,10 @@ def test_build(self):
     def test_build_only_queries(self):
         routes = {
             GraphQlQueryEnrouteDecorator(name="order_query", argument=GraphQLString, output=GraphQLString): callback_fn,
-            GraphQlQueryEnrouteDecorator(name="ticket_query", argument=GraphQLString, output=GraphQLString): callback_fn}
+            GraphQlQueryEnrouteDecorator(
+                name="ticket_query", argument=GraphQLString, output=GraphQLString
+            ): callback_fn,
+        }
 
         schema = GraphQLSchemaBuilder.build(routes=routes)
 
@@ -59,10 +71,13 @@ def test_build_only_queries(self):
 
     def test_build_only_commands(self):
         routes = {
-            GraphQlCommandEnrouteDecorator(name="order_command", argument=GraphQLString,
-                                           output=GraphQLString): callback_fn,
-            GraphQlCommandEnrouteDecorator(name="ticket_command", argument=GraphQLString,
-                                           output=GraphQLString): callback_fn}
+            GraphQlCommandEnrouteDecorator(
+                name="order_command", argument=GraphQLString, output=GraphQLString
+            ): callback_fn,
+            GraphQlCommandEnrouteDecorator(
+                name="ticket_command", argument=GraphQLString, output=GraphQLString
+            ): callback_fn,
+        }
 
         schema = GraphQLSchemaBuilder.build(routes=routes)
 
@@ -79,7 +94,8 @@ def test_schema_valid(self):
 
     def test_query(self):
         routes = {
-            GraphQlQueryEnrouteDecorator(name="order_query", argument=GraphQLString, output=GraphQLString): callback_fn}
+            GraphQlQueryEnrouteDecorator(name="order_query", argument=GraphQLString, output=GraphQLString): callback_fn
+        }
 
         schema = GraphQLSchemaBuilder.build(routes=routes)