Build failed

[janes-r]

trafficstars

running transcrypt...

Transcrypt (TM) Python to JavaScript Small Sane Subset Transpiler Version 3.7.17
Copyright (C) Geatec Engineering. License: Apache 2.0


Saving target code in: /home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/src/__target__/org.transcrypt.__runtime__.js
Saving target code in: /home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/src/__target__/defs.js
Saving target code in: /home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/src/__target__/harvester.js
Saving target code in: /home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/src/__target__/main.js

Ready

copying artifacts...
/home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/node_modules/rollup/dist/shared/loadConfigFile.js:536
        return import(pluginPath);
               ^^^^^^

SyntaxError: Unexpected token import
    at createScript (vm.js:80:10)
    at Object.runInThisContext (vm.js:139:10)
    at Module._compile (module.js:616:28)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Module.<anonymous> (/home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/node_modules/rollup/dist/bin/rollup:22:24)

Traceback (most recent call last):
  File "build.py", line 437, in <module>
    main()
  File "build.py", line 432, in main
    build(config)
  File "build.py", line 278, in build
    copy_artifacts(config)
  File "build.py", line 254, in copy_artifacts
    raise Exception("rollup failed. exit code: {}. command line '{}'. working dir: '{}'."
Exception: rollup failed. exit code: 1. command line '/home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/node_modules/.bin/rollup' '--format' 'cjs' '--input' '/home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/src/__target__/main.js'. working dir: '/home/toor/Desktop/game/screeps-starter-python/screeps-starter-python/src'.

how to fix it?