code: def _toconf(self, conf):
          
  
          result = conf
  
          if result is None:
              result = Configuration()
  
          elif isinstance(result, Category):
              result = configuration(result)
  
          elif isinstance(result, Parameter):
              result = configuration(category('', result))
  
          elif isinstance(result, list):
              result = configuration(category('', *result))
  
          return result
docs: Convert input parameter to a Configuration.
  
          :param conf: configuration to convert to a Configuration object.
          :type conf: Configuration, Category or Parameter.
  
          :rtype: Configuration