well, just simple solution,
1. download source file
2. python3 setup.py install
3. sudo vim models/ir_actions_report.py
4.
import sys
egg_path='/opt/odoo13/odooaddons/report_py3o/models/py3o.formats/dist/py3o.formats-0.3-py3.6.egg'
sys.path.append(egg_path)
import py3o.formats
5. restart odoo then install the module
