diff --git a/stdlib/3/traceback.pyi b/stdlib/3/traceback.pyi
index d0cc403a4..21c256496 100644
--- a/stdlib/3/traceback.pyi
+++ b/stdlib/3/traceback.pyi
@@ -1,5 +1,6 @@
 # Stubs for traceback
 
+from types import TracebackType
 import typing
 
 # TODO signatures