Issue #14502: release() and unlocked lock generates a ThreadError

diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst
index 28a3f8177e5ef64361a5b9d1ef2b1314b785bbeb..89434b6efd8edf6e30bf04a758a66263a2c8397f 100644 (file)
--- a/Doc/library/threading.rst
+++ b/Doc/library/threading.rst
@@ -420,7 +420,7 @@ All methods are executed atomically.
    are blocked waiting for the lock to become unlocked, allow exactly one of them
    to proceed.
 
-   Do not call this method when the lock is unlocked.
+   When invoked on an unlocked lock, a :exc:`ThreadError` is raised.
 
    There is no return value.