diff -r ee3872c14ab3 -r 7b14d649af1b mercurial/state.py
--- a/mercurial/state.py	Tue Nov 19 23:19:57 2019 +0900
+++ b/mercurial/state.py	Tue Nov 19 23:49:05 2019 +0900
@@ -23,11 +23,12 @@
 
 from . import (
     error,
+    pycompat,
     util,
 )
 from .utils import cborutil
 
-if not globals():
+if pycompat.TYPE_CHECKING:
     from typing import (
         Any,
         Dict,