Works for me and I have no `python` command available so it must be using `python3` You can view, comment on, or merge this pull request online at:
https://github.com/geany/geany/pull/2903
-- Commit Summary --
* <a href="https://github.com/geany/geany/pull/2903/commits/59677542aa88bad3d8fdc4e6c40049d37b3e95e8">Apply Debian patch for Python 3</a>
-- File Changes --
M m4/geany-gtkdoc-header.m4 (2)
-- Patch Links --
https://github.com/geany/geany/pull/2903.patch https://github.com/geany/geany/pull/2903.diff