Description of problem:
I found indentation issues with the following files

• check-relaxng-test-suite2.py
• check-relaxng-test-suite.py
• check-xsddata-test-suite.py

Version-Release number of selected component (if applicable):
libxml2-2.9.13-4.el9

How reproducible:
100%

Steps to Reproduce:
1. "MAKEFLAGS=-s make tests TEST_THREADS= V=0" in the buildroot
2.
3.

Actual results:
python complained about files listed above

Expected results:
no complains

Additional info:
I used upstream versions of file and they work fine
https://gitlab.gnome.org/GNOME/libxml2/-/blob/master/check-relaxng-test-suite2.py
https://gitlab.gnome.org/GNOME/libxml2/-/blob/master/check-relaxng-test-suite.py
https://gitlab.gnome.org/GNOME/libxml2/-/blob/master/check-xsddata-test-suite.py