Qtile - Qtile is a full-featured, hackable tiling window manager written and configured in Python. It's available both as an X11 window manager and also as a Wayland compositor.
Log file: ~/.local/share/qtile/qtile.log
Default configuration: /usr/lib/python3.XX/site-packages/libqtile/resources/default_config.py
Check a configuration file for errors: qtile check