old_contents: """ Loads ``config`` from the path ``config_filename``
  
  Attributes
  -------------
  config_filename : str
      Tries environment variable "RH_CONFIG_FILENAME"\
      but defaults to ~/.rh-config.yaml. \
  config : dict
      Loaded from a yaml file at :data:`config_filename`
  """
  
  import os
  import yaml
  
  config = {}
  config_env = "RH_CONFIG_FILENAME"
  default_config_filename = os.path.expanduser("~/.rh-config.yaml")
  config_filename = os.environ.get(config_env, default_config_filename)
  
  if os.path.exists(config_filename):
      config = yaml.safe_load(open(config_filename, "r"))
  
  
new_contents: """ Loads ``config`` from the path ``config_filename``
  
  Attributes
  -------------
  config_filename : str
      Tries environment variable "RH_CONFIG_FILENAME"\
      but defaults to ~/.rh-config.yaml.
  config : dict
      Loaded from a yaml file at :data:`config_filename`
  """
  
  import os
  import yaml
  
  config = {}
  config_env = "RH_CONFIG_FILENAME"
  default_config_filename = os.path.expanduser("~/.rh-config.yaml")
  config_filename = os.environ.get(config_env, default_config_filename)
  
  if os.path.exists(config_filename):
      config = yaml.safe_load(open(config_filename, "r"))
  
  
subject: fix doc formatting