The example for subclassing the Context and setting from_defaults didn't work for me. Assuming this is due to an api change I have edited the docs to reflect what seems to work.
Thank you very much for finding and then fixing this. You're right Builtins was moved from rule_engine.engine to rule_engine.builtins in the 4.0 release.
The example for subclassing the Context and setting from_defaults didn't work for me. Assuming this is due to an api change I have edited the docs to reflect what seems to work.