Python 3.9.0 was released on schedule (python#621)

https://www.python.org/downloads/release/python-390/

Author: hugovk

index.rst

@@ -95,7 +95,7 @@ Status of Python branches
 +==================+==============+=============+================+================+=======================+
 | master           | :pep:`619`   | features    | *2021-10-04*   | *TBD*          | Pablo Galindo Salgado |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+
-| 3.9              | :pep:`596`   | bugfix      | *2020-10-05*   | *TBD*          | Łukasz Langa          |
+| 3.9              | :pep:`596`   | bugfix      | 2020-10-05     | *TBD*          | Łukasz Langa          |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+
 | 3.8              | :pep:`569`   | bugfix      | 2019-10-14     | *2024-10*      | Łukasz Langa          |
 +------------------+--------------+-------------+----------------+----------------+-----------------------+