o Yh@sdZddlZddlZddlZejddkZereZeZ ne ZeZ ee fZ zej Z Wn ey6ddZ YnweeddrCddZdSd dZdS) z The `compat` module provides support for backwards compatibility with older versions of python, and compatibility wrappers around optional packages. NcCsHt|t|kr dSd}t||D]\}}|t|t|AO}q|dkS)z Returns True if the two strings are equal, False otherwise. The time taken is independent of the number of characters that match. Fr)lenzipord)val1val2resultxyr s&