What were you trying to do that didn't work?

Executing leapp preupgrade returns to the prompt after a few seconds without printing anything

# leapp preupgrade
# 

Please provide the package NVR for which bug is seen:

leapp-0.15.1-1.el7_9.noarch

How reproducible:

Always

Steps to reproduce

1. Install SCL python27-python-libs package
2. Set LD_LIBRARY_PATH to SCL python
3. Execute "leapp preupgrade" command

# yum -y install python27-python-libs package
# export LD_LIBRARY_PATH=/opt/rh/python27/root/usr/lib64
# leapp prepupgrade

Expected results

some error printed, or leapp executing

Actual results

command returns immediately, exit code is 0