Describes the key flags of a module.

    Args:
      module: module|str, the module to describe the key flags for.

    Returns:
      str, describing the key flags of a module.

def module_help(self, module):
    """Describes the key flags of a module.

    Args:
      module: module|str, the module to describe the key flags for.

    Returns:
      str, describing the key flags of a module.
    """
    helplist = []
    self._render_our_module_key_flags(module, helplist)
    return '\n'.join(helplist)