js2py.internals.simplex.JsException: ReferenceError: require is not defined

[sahilpaudel-pe]

const ruleSetVersions = require("./rule_set_versions").ruleSetVersions
const ruleSets = require("./rule_sets").rule_sets

I am getting this error while using above require

File "/Users/sahilpaudel/Documents/PharmEasy/NodeJS/CarbonSDK/evaluate.py", line 99, in <module>
    var.put('ruleSetVersions', var.get('require')(Js('./rule_set_versions')).get('ruleSetVersions'))
  File "/Users/sahilpaudel/.pyenv/versions/3.6.5/lib/python3.6/site-packages/js2py/base.py", line 1158, in get
    raise MakeError('ReferenceError', '%s is not defined' % prop)
js2py.internals.simplex.JsException: ReferenceError: require is not defined