The first start date may be the same to periodicity effective date.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@36086 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/PeriodicityLine.py

@@ -91,13 +91,12 @@ class PeriodicityLine(Path, PeriodicityLineMixin):
     expiration_date = self.getExpirationDate()
     result = []
 
-    if effective_date is not None and from_date < effective_date:
-      from_date = effective_date
     if expiration_date is not None and to_date > expiration_date:
       to_date = expiration_date
 
     next_start_date = self.getNextPeriodicalDate(from_date)
     while next_start_date <= to_date:
+      if next_start_date >= effective_date:
         result.append((next_start_date,
                        self.getPeriodicityTermStopDate(next_start_date)))