p i l l o w = = 1 1 . 2 . 1 
 
 p y p d f = = 5 . 4 . 0 
 
 P y Y A M L = = 6 . 0 . 2 
 
 r e p o r t l a b = = 4 . 4 . 0 
 
 s t r e a m l i t = = 1 . 4 5 . 0 
 
 