fixup! More date rounding fixes.

apachedex/__init__.py

@@ -712,7 +712,7 @@ def _weekStringAsQuarterString(timestamp):
   return '%s/%02i' % (year, (int(month) - 1) / 3 * 3 + 1)
 
 def _roundWeek(dt):
-  return dt.replace(day=(dt.day / 7 - 1) * 7 + 1)
+  return dt.replace(day=(dt.day - 1) / 7 * 7 + 1)
 
 def _asDayString(timestamp):
   dt, _ = timestamp.split(' ')