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Diffstat (limited to 'Doc/library/weakref.rst')
| -rw-r--r-- | Doc/library/weakref.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/library/weakref.rst b/Doc/library/weakref.rst index 5dcb03029f..a1a3314ffb 100644 --- a/Doc/library/weakref.rst +++ b/Doc/library/weakref.rst @@ -65,6 +65,9 @@ and regular expression pattern objects. .. versionchanged:: 2.4 Added support for files, sockets, arrays, and patterns. +.. versionchanged:: 2.7 + Added support for thread.lock and threading.Lock. + Several built-in types such as :class:`list` and :class:`dict` do not directly support weak references but can add support through subclassing:: |