Need help with "cannot open display" error when %pyproject_check_import is run

[Alexander Ploumistos <alex.ploumistos@xxxxxxxxx>]

Hello,

I am trying to build the latest version of input-remapper[1] and I
guess some change to the test units has led to this error:

[…]
+ /usr/bin/python3 -sP /usr/lib/rpm/redhat/import_all_modules.py -f
/builddir/build/BUILD/input-remapper-2.1.1-build/input-remapper-2.1.1-1.fc42.x86_64-pyproject-modules
Check import: inputremapper
Check import: inputremapper.bin
Check import: inputremapper.bin.input_remapper_control
Check import: inputremapper.bin.input_remapper_gtk

(import_all_modules.py:1580): Gtk-WARNING **: 01:44:47.167: cannot open display:
error: Bad exit status from /var/tmp/rpm-tmp.QjGEES (%check)
    Bad exit status from /var/tmp/rpm-tmp.QjGEES (%check)