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/test/lock_tests.py b/Lib/test/lock_tests.py
index 126f97c..7bcc436 100644
--- a/Lib/test/lock_tests.py
+++ b/Lib/test/lock_tests.py
@@ -4,7 +4,7 @@
 
 import sys
 import time
-from _thread import start_new_thread, get_ident, TIMEOUT_MAX
+from _thread import start_new_thread, TIMEOUT_MAX
 import threading
 import unittest
 
@@ -31,7 +31,7 @@
         self.finished = []
         self._can_exit = not wait_before_exit
         def task():
-            tid = get_ident()
+            tid = threading.get_ident()
             self.started.append(tid)
             try:
                 f()