PEP 3147
diff --git a/Lib/importlib/util.py b/Lib/importlib/util.py
index 3abc6a9..7b44fa1 100644
--- a/Lib/importlib/util.py
+++ b/Lib/importlib/util.py
@@ -1,4 +1,5 @@
 """Utility code for constructing importers, etc."""
+
 from ._bootstrap import module_for_loader
 from ._bootstrap import set_loader
 from ._bootstrap import set_package