async doRun() {
    await super.doRun();
    if (this.local || this.target) {
      let pythonUserBase = path.posix.join(this.target || '/code/.fun', 'python');

      console.log(green('     => ') + cyan(`PYTHONUSERBASE=${pythonUserBase} pip install --user %s`), this.pkgName);

      await this._exec(['pip', 'install', '--user', '--no-warn-script-location', this.pkgName],
        Object.assign({
          'PIP_DISABLE_PIP_VERSION_CHECK': '1',
          'PYTHONUSERBASE': pythonUserBase
        }, this.env));
    } else {
      console.log(green('     => ') + cyan('pip install %s'), this.pkgName);
      await this._exec(['pip', 'install', this.pkgName]);
    }
  }
install location: .fun/python/lib/python3.7/site-packages