--- a/mercurial/cmdutil.py	Tue Nov 19 23:19:57 2019 +0900
+++ b/mercurial/cmdutil.py	Tue Nov 19 23:49:05 2019 +0900
@@ -61,7 +61,7 @@
     stringutil,
 )
 
-if not globals():
+if pycompat.TYPE_CHECKING:
     from typing import (
         Any,
         Dict,