diff --git a/examples/miniapps/decoupled-packages/example/__main__.py b/examples/miniapps/decoupled-packages/example/__main__.py
index 61804d02..1b0565ec 100644
--- a/examples/miniapps/decoupled-packages/example/__main__.py
+++ b/examples/miniapps/decoupled-packages/example/__main__.py
@@ -1,8 +1,6 @@
 """Main module."""
 
-import sys
-
-from dependency_injector.wiring import inject, Provide
+from dependency_injector.wiring import Provide, inject
 
 from .user.repositories import UserRepository
 from .photo.repositories import PhotoRepository
@@ -38,6 +36,6 @@ def main(
 if __name__ == '__main__':
     application = ApplicationContainer()
     application.config.from_ini('config.ini')
-    application.wire(modules=[sys.modules[__name__]])
+    application.wire(modules=[__name__])
 
     main()
diff --git a/examples/miniapps/decoupled-packages/example/containers.py b/examples/miniapps/decoupled-packages/example/containers.py
index ede2bae9..cdb9a05e 100644
--- a/examples/miniapps/decoupled-packages/example/containers.py
+++ b/examples/miniapps/decoupled-packages/example/containers.py
@@ -18,7 +18,7 @@ class ApplicationContainer(containers.DeclarativeContainer):
 
     s3 = providers.Singleton(
         boto3.client,
-        service_name='s3',
+        service_name="s3",
         aws_access_key_id=config.aws.access_key_id,
         aws_secret_access_key=config.aws.secret_access_key,
     )