Python added Thread.is_alive() in 2.6 and removed Thread.isAlive() in
3.9.
This change is needed to run the tests with Python 3.9.
https://bugs.python.org/issue37804
Signed-off-by: Shaun Ruffell <sruffell@sruffell.net>
- Removes RuntimeWarning: line buffering (buffering=1) isn't supported in binary mode, the default buffer size will be used
Signed-off-by: Thomas Lauf <thomas.lauf@tngtech.com>