new_contents: import os
  import sys
  import yaml
  
  PSPHERE_CONFIG = yaml.load(file(os.path.expanduser('~/.psphere/config.yml'),
                                  "r"))
  def _config_value(section, name, default):
      if name in PSPHERE_CONFIG[section]:
          file_value = PSPHERE_CONFIG[section][name]
  
      if default is None and file_value is None:
          print("You must set a %s" % name)
          sys.exit(1)
  
      if file_value:
          return file_value
      else:
          return default
  
subject: Add missing configuration module