b'[� � @ s� d Z d d l Z d d l Z d d l Z e j d d k Z e rR e Z e Z n e Z e Z e e f Z y e j Z Wn e k r� d d � Z Yn Xe e d d � r� d d � Z n d d � Z d S) z� The `compat` module provides support for backwards compatibility with older versions of python, and compatibility wrappers around optional packages. � N� c C sf t | � t | � k r d Sd } x7 t | | � D]&