Troubleshooting Tip: DNF package issue occurs during a FortiSOAR 7.3 In-place upgrade

[jankit6]

Description	This article describes how to fix DNF package issues that occur during an upgrade to v7.3.0 of FortiSOAR.
Scope	FortiSOAR v7.2.
Solution	While performing an In-place upgrade to 7.3.0, it may fail with the following error: Message: Cannot obtain data about the DNF configuration ERROR PID: 3 leapp: Upgrade workflow failed, check log for details localhost upgrade[781]: Summary: localhost upgrade[781]: Stderr: /usr/local/lib/python3.6/site-packages/dnf.py:15: UserWarning: The DNF Python API is not currently available via PyPI. localhost upgrade[781]: Please install it with your distro package manager (typically called localhost upgrade[781]: 'python2-dnf' or 'python3-dnf'), and ensure that any virtual environments localhost upgrade[781]: needing the API are configured to be able to see the system site packages ModuleNotFoundError: No module named 'dnf.cli'; 'dnf' is not a package The reason could be that the Python package is being upgraded on the CentOS machine.  Resolution steps: Revert the VM with a snapshot. Check the DNF is installed in the system with this command: rpm -qa dnf Execute the following command: ls -l /usr/local/lib/python3.6/site-packages/dnf The output will be similar to dnf-0.0.1.dist-info/ dnf.py. Remove the following two files: sudo rm /usr/local/lib/python3.6/site-packages/dnf-0.0.1.dist-info/ sudo rm /usr/local/lib/python3.6/site-packages/dnf.py Now, perform the in-place upgrade.