diff --git a/pdm_build.py b/pdm_build.py
index c83222b33..24f509964 100644
--- a/pdm_build.py
+++ b/pdm_build.py
@@ -7,14 +7,21 @@ TIANGOLO_BUILD_PACKAGE = os.getenv("TIANGOLO_BUILD_PACKAGE", "fastapi")
 
 
 def pdm_build_initialize(context: Context) -> None:
+
     metadata = context.config.metadata
+
     # Get custom config for the current package, from the env var
     config: Dict[str, Any] = context.config.data["tool"]["tiangolo"][
         "_internal-slim-build"
-    ]["packages"].get(TIANGOLO_BUILD_PACKAGE)
+    ]["packages"].get(
+        TIANGOLO_BUILD_PACKAGE
+    )
+
     if not config:
         return
+
     project_config: Dict[str, Any] = config["project"]
+
     # Override main [project] configs with custom configs for this package
     for key, value in project_config.items():
         metadata[key] = value