diff --git a/moto/apigateway/models.py b/moto/apigateway/models.py
index d1b43006..4513c75a 100644
--- a/moto/apigateway/models.py
+++ b/moto/apigateway/models.py
@@ -57,7 +57,7 @@ class Deployment(BaseModel, dict):
 
 class IntegrationResponse(BaseModel, dict):
     def __init__(self, status_code, selection_pattern=None, response_templates=None):
-        if response_templates == None:
+        if response_templates is None:
             response_templates = {"application/json": None}
         self["responseTemplates"] = response_templates
         self["statusCode"] = status_code
@@ -74,10 +74,14 @@ class Integration(BaseModel, dict):
         self["requestTemplates"] = request_templates
         self["integrationResponses"] = {"200": IntegrationResponse(200)}
 
-    def create_integration_response(self, status_code, selection_pattern, response_templates):
+    def create_integration_response(
+        self, status_code, selection_pattern, response_templates
+    ):
         if response_templates == {}:
             response_templates = None
-        integration_response = IntegrationResponse(status_code, selection_pattern, response_templates)
+        integration_response = IntegrationResponse(
+            status_code, selection_pattern, response_templates
+        )
         self["integrationResponses"][status_code] = integration_response
         return integration_response
 
diff --git a/tests/test_apigateway/test_apigateway.py b/tests/test_apigateway/test_apigateway.py
index 0ad81597..295cd1c5 100644
--- a/tests/test_apigateway/test_apigateway.py
+++ b/tests/test_apigateway/test_apigateway.py
@@ -1230,6 +1230,7 @@ def test_put_integration_response_requires_responseTemplate():
         responseTemplates={},
     )
 
+
 @mock_apigateway
 def test_put_integration_response_with_response_template():
     client = boto3.client("apigateway", region_name="us-west-2")
@@ -1268,9 +1269,9 @@ def test_put_integration_response_with_response_template():
         resourceId=root_id,
         httpMethod="GET",
         statusCode="200",
-        selectionPattern= "foobar",
-        responseTemplates={"application/json": json.dumps({"data":"test"})})
-
+        selectionPattern="foobar",
+        responseTemplates={"application/json": json.dumps({"data": "test"})},
+    )
 
     response = client.get_integration_response(
         restApiId=api_id, resourceId=root_id, httpMethod="GET", statusCode="200"
@@ -1284,10 +1285,11 @@ def test_put_integration_response_with_response_template():
             "statusCode": "200",
             "selectionPattern": "foobar",
             "ResponseMetadata": {"HTTPStatusCode": 200},
-            "responseTemplates": {"application/json": json.dumps({"data":"test"})},
+            "responseTemplates": {"application/json": json.dumps({"data": "test"})},
         }
     )
 
+
 @mock_apigateway
 def test_put_integration_validation():
     client = boto3.client("apigateway", region_name="us-west-2")