Comment 8 for bug 1921787

Sorry. Since I am using the system python, PYTHONPATH is not declared.

Would this help?

whereis python
python: /usr/bin/python3.6m-x86_64-config /usr/bin/python3.8-x86_64-config /usr/bin/python3.5-config /usr/bin/python3.5m-config /usr/bin/python3.9-config /usr/bin/python3.5m-x86_64-config /usr/bin/python3.5m /usr/bin/python3.6m /usr/bin/python /usr/bin/python3.9-x86_64-config /usr/bin/python2.7-config /usr/bin/python3.5 /usr/bin/python3.6m-config /usr/bin/python3.7m /usr/bin/python3.6-config /usr/bin/python3.7-config /usr/bin/python3.8 /usr/bin/python3.7dm /usr/bin/python3.7dm-x86_64-config /usr/bin/python2.7 /usr/bin/python3.7m-config /usr/bin/python3.7 /usr/bin/python3.9 /usr/bin/python3.8-config /usr/bin/python3.6 /usr/bin/python3.7m-x86_64-config /usr/bin/python3.7dm-config /usr/lib/python3.5 /usr/lib/python3.8 /usr/lib/python2.7 /usr/lib/python3.7 /usr/lib/python3.9 /usr/lib/python3.6 /usr/lib64/python3.5 /usr/lib64/python3.8 /usr/lib64/python2.7 /usr/lib64/python3.7 /usr/lib64/python3.9 /usr/lib64/python3.6 /usr/include/python3.5m /usr/include/python3.6m /usr/include/python3.7m /usr/include/python3.8 /usr/include/python3.7dm /usr/include/python2.7 /usr/include/python3.9 /usr/share/man/man1/python.1.gz