A very minor bug fix: this code looks like it is designed to accept

any hue value and do the modulo itself, except it doesn't quite do
it in all cases.  At least, the "cannot get here" comment was wrong.

Lib/colorsys.py

@@ -117,7 +117,8 @@ def hsv_to_rgb(h, s, v):
     p = v*(1.0 - s)
     q = v*(1.0 - s*f)
     t = v*(1.0 - s*(1.0-f))
-    if i%6 == 0: return v, t, p
+    i = i%6
+    if i == 0: return v, t, p
     if i == 1: return q, v, p
     if i == 2: return p, v, t
     if i == 3: return p, q, v