diff --git a/moto/apigateway/responses.py b/moto/apigateway/responses.py
index db1e20270..c4c7b403e 100644
--- a/moto/apigateway/responses.py
+++ b/moto/apigateway/responses.py
@@ -9,7 +9,7 @@ from .exceptions import (
     BadRequestException,
     CrossAccountNotAllowed,
     StageNotFoundException,
-    ApiKeyAlreadyExists
+    ApiKeyAlreadyExists,
 )
 
 
diff --git a/tests/test_apigateway/test_apigateway.py b/tests/test_apigateway/test_apigateway.py
index 8c56faac2..6735391c7 100644
--- a/tests/test_apigateway/test_apigateway.py
+++ b/tests/test_apigateway/test_apigateway.py
@@ -1156,7 +1156,11 @@ def test_api_keys():
 
     apikey_value = "12345"
     apikey_name = "TESTKEY1"
-    payload = {"value": apikey_value, "name": apikey_name, "tags": {"tag1": "test_tag1", "tag2": "1"}}
+    payload = {
+        "value": apikey_value,
+        "name": apikey_name,
+        "tags": {"tag1": "test_tag1", "tag2": "1"},
+    }
     response = client.create_api_key(**payload)
     apikey_id = response["id"]
     apikey = client.get_api_key(apiKey=response["id"])