Credit OCA for report code

models/render_report.py

 # Copyright 2020 XCG Consulting (http://odoo.consulting)
 # License AGPL0.3 or later (http://www.gnu.org/licenses/agpl)
 
+# Much of this is based on OCA's report_py3o module (11.0 branch).
+
 import base64
 import logging
 import os