diff --git a/pyodide_build/buildpkg.py b/pyodide_build/buildpkg.py
index a665290..9bf1a4d 100755
--- a/pyodide_build/buildpkg.py
+++ b/pyodide_build/buildpkg.py
@@ -152,9 +152,7 @@ def get_builder(
             case "shared_library":
                 builder = RecipeBuilderSharedLibrary
             case _:
-                raise ValueError(
-                    f"Unknown package type: {config.build.package_type}"
-                )
+                raise ValueError(f"Unknown package type: {config.build.package_type}")
 
         return builder(recipe, build_args, build_dir, force_rebuild, continue_)