JtjE dZddlZejddkZejdddkZejdddkZejdddkZejddkZejdddkZerddl Z e fZ e efZeZeZd Zn$ddlZefZ esere efZne fZeZesereseZd ZneZd Zd ZGd d eZdS)zlA tiny version of `six` to help with backwards compability. Also includes compatibility helpers for numpy. N)r)r)rr)r?zr6sw   qQ !& !& 1* qQ !&,#,*/ ***, T#LL6L* d5O O    4,r