Index: graphspell/char_player.py
==================================================================
--- graphspell/char_player.py
+++ graphspell/char_player.py
@@ -1,12 +1,10 @@
 """
 List of similar chars
 useful for suggestion mechanism
 """
 
-import re
-
 
 dDistanceBetweenChars = {
     "a": {},
     "e": {"é": 0.5},
     "é": {"e": 0.5},
@@ -36,10 +34,11 @@
     "z": {"s": 0.5}
 }
 
 
 def distanceBetweenChars (c1, c2):
+    "returns a float between 0 and 1"
     if c1 == c2:
         return 0
     if c1 not in dDistanceBetweenChars:
         return 1
     return dDistanceBetweenChars[c1].get(c2, 1)