docs: def getTheme(theme=None):
  	"""
  	Returns a theme definition.
  
  	To see the colors translated (hex) use
  	cufflinks.getLayout(theme) instead.
  	"""
  	if not theme:
  		theme = auth.get_config_file()['theme']
  
  	if theme in THEMES:
  		return updateColors(copy.deepcopy(THEMES[theme]))
  	else:
  		raise Exception("Invalid Theme: {0}".format(theme))