Close #12028: Make threading._get_ident() public, rename it to
threading.get_ident() and document it. This function was used by
_thread.get_ident().
diff --git a/Lib/reprlib.py b/Lib/reprlib.py
index f803360..092874a 100644
--- a/Lib/reprlib.py
+++ b/Lib/reprlib.py
@@ -5,7 +5,7 @@
 import builtins
 from itertools import islice
 try:
-    from _thread import get_ident
+    from threading import get_ident
 except ImportError:
     from _dummy_thread import get_ident