#15636: add versionadded for decodebytes

diff --git a/Doc/library/base64.rst b/Doc/library/base64.rst
index 06f3ab1282ff115315b94dc1b12488be188b8fe2..c08df15303ead5b38d44a04225f1f308e8aa0b56 100644 (file)
--- a/Doc/library/base64.rst
+++ b/Doc/library/base64.rst
@@ -140,6 +140,8 @@ The legacy interface:
    encoded data, and return a byte string containing the resulting binary data.
    ``decodestring`` is a deprecated alias.
 
+   .. versionadded:: 3.1
+
 
 .. function:: encode(input, output)