diff --git a/pdm_build.py b/pdm_build.py
index 24f509964..58a3f98a5 100644
--- a/pdm_build.py
+++ b/pdm_build.py
@@ -7,15 +7,12 @@ 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