text: """Config utilities.
  
  Methods used to manipulate YAML-based configuration files.
  """
  
  import logging
  import yaml
  
  from nonce2vec.utils.immutables import ImmutableConfig
  
  __all__ = ('load')
  
  logger = logging.getLogger(__name__)
  
  
  def load(config_file):
      """Load an ImmutableConfig from a YAML configuration file."""
      logger.info('Loading config from file {}'.format(config_file))
      with open(config_file, 'r', encoding='utf-8') as config_stream:
          config = yaml.safe_load(config_stream)
          return ImmutableConfig(config)
  