Better handling of no DateTime data for DateTime field;

Remove trailing spaces.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3659 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/FormulatorPatch.py

@@ -586,14 +586,13 @@ class PatchedDateTimeWidget(DateTimeWidget):
 
         if value is None and field.get_value('default_now'):
             value = DateTime()
-        if value is None:
         year   = None
         month  = None
         day    = None
         hour   = None
         minute = None
         ampm   = None
-        else:
+        if value is type(DateTime()):
             year = "%04d" % value.year()
             month = "%02d" % value.month()
             day = "%02d" % value.day()
@@ -603,7 +602,6 @@ class PatchedDateTimeWidget(DateTimeWidget):
                 hour = "%02d" % value.hour()
             minute = "%02d" % value.minute()
             ampm = value.ampm()
-        
         input_order = field.get_value('input_order')
         if input_order == 'ymd':
             order = [('year', year),