docs: def parse(yaml, validate=True):
      """
      Parse the given YAML data into a `Config` object, optionally validating it first.
  
      :param yaml: YAML data (either a string, a stream, or pre-parsed Python dict/list)
      :type yaml: list|dict|str|file
      :param validate: Whether to validate the data before attempting to parse it.
      :type validate: bool
      :return: Config object
      :rtype: valohai_yaml.objs.Config
      """
      data = read_yaml(yaml)
      if validate:  # pragma: no branch
          from .validation import validate
          validate(data, raise_exc=True)
      return Config.parse(data)