diff --git a/samples/openapi3/client/petstore/python/test/test_another_fake_api.py b/samples/openapi3/client/petstore/python/test/test_another_fake_api.py
index fcb498c7cc58..d1b73d979ffc 100644
--- a/samples/openapi3/client/petstore/python/test/test_another_fake_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_another_fake_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = AnotherFakeApi()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_call_123_test_special_tags(self) -> None:
         """Test case for call_123_test_special_tags
diff --git a/samples/openapi3/client/petstore/python/test/test_default_api.py b/samples/openapi3/client/petstore/python/test/test_default_api.py
index 48f967282166..eb421a8edc1b 100644
--- a/samples/openapi3/client/petstore/python/test/test_default_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_default_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = DefaultApi()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_foo_get(self) -> None:
         """Test case for foo_get
diff --git a/samples/openapi3/client/petstore/python/test/test_fake_api.py b/samples/openapi3/client/petstore/python/test/test_fake_api.py
index d90df3c953a0..11920b00480e 100644
--- a/samples/openapi3/client/petstore/python/test/test_fake_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_fake_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = FakeApi()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_fake_any_type_request_body(self) -> None:
         """Test case for fake_any_type_request_body
diff --git a/samples/openapi3/client/petstore/python/test/test_fake_classname_tags123_api.py b/samples/openapi3/client/petstore/python/test/test_fake_classname_tags123_api.py
index 61d48c98daf9..9282bf7150cb 100644
--- a/samples/openapi3/client/petstore/python/test/test_fake_classname_tags123_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_fake_classname_tags123_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = FakeClassnameTags123Api()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_test_classname(self) -> None:
         """Test case for test_classname
diff --git a/samples/openapi3/client/petstore/python/test/test_import_test_datetime_api.py b/samples/openapi3/client/petstore/python/test/test_import_test_datetime_api.py
index dedbfb99f101..6cd4fb8cbaf5 100644
--- a/samples/openapi3/client/petstore/python/test/test_import_test_datetime_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_import_test_datetime_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = ImportTestDatetimeApi()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_import_test_return_datetime(self) -> None:
         """Test case for import_test_return_datetime
diff --git a/samples/openapi3/client/petstore/python/test/test_pet_api.py b/samples/openapi3/client/petstore/python/test/test_pet_api.py
index 9b15e1b8846b..4cf869d36a26 100644
--- a/samples/openapi3/client/petstore/python/test/test_pet_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_pet_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = PetApi()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_add_pet(self) -> None:
         """Test case for add_pet
diff --git a/samples/openapi3/client/petstore/python/test/test_store_api.py b/samples/openapi3/client/petstore/python/test/test_store_api.py
index 8c130dd91f7f..603b0f7bc57c 100644
--- a/samples/openapi3/client/petstore/python/test/test_store_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_store_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = StoreApi()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_delete_order(self) -> None:
         """Test case for delete_order
diff --git a/samples/openapi3/client/petstore/python/test/test_user_api.py b/samples/openapi3/client/petstore/python/test/test_user_api.py
index 42dc2abb0d2c..6b17c42093e2 100644
--- a/samples/openapi3/client/petstore/python/test/test_user_api.py
+++ b/samples/openapi3/client/petstore/python/test/test_user_api.py
@@ -24,7 +24,7 @@ def setUp(self) -> None:
         self.api = UserApi()
 
     def tearDown(self) -> None:
-        self.api.api_client.close()
+        pass
 
     def test_create_user(self) -> None:
         """Test case for create_user