diff --git a/pysollib/stack.py b/pysollib/stack.py
index 0b2a67a6..952f9078 100644
--- a/pysollib/stack.py
+++ b/pysollib/stack.py
@@ -130,21 +130,15 @@ def getNumberOfFreeStacks(stacks):
 
 
 # collect the top cards of several stacks into a pile
-def getPileFromStacks(stacks, reverse=0):
+def getPileFromStacks(stacks, reverse=False):
     cards = []
     for s in stacks:
         if not s.cards or not s.cards[-1].face_up:
             return None
         cards.append(s.cards[-1])
-    if reverse:
-        cards.reverse()
-    return cards
+    return (reversed(cards) if reverse else cards)
 
 
-# ************************************************************************
-# *
-# ************************************************************************
-
 class Stack:
     # A generic stack of cards.
     #