docs: def create(python, env_dir, system, prompt, bare, virtualenv_py=None):
      """Main entry point to use this as a module.
      """
      if not python or python == sys.executable:
          _create_with_this(
              env_dir=env_dir, system=system, prompt=prompt,
              bare=bare, virtualenv_py=virtualenv_py,
          )
      else:
          _create_with_python(
              python=python,
              env_dir=env_dir, system=system, prompt=prompt,
              bare=bare, virtualenv_py=virtualenv_py,
          )