Don't untimezone fallback date for converting datetime

(transplanted from aa2764ccc856dd2c589caf1f02e957c32211c79a)

tryton/common/domain_parser.py

@@ -214,8 +214,8 @@ def convert_value(field, value):
                         date_format() + ' ' + HM_FORMAT)[:6]))
         except ValueError:
             try:
-                return untimezoned_date(datetime.datetime(*time.strptime(value,
-                            date_format())[:6]))
+                return datetime.datetime(*time.strptime(value,
+                        date_format())[:6])
             except ValueError:
                 return
         except TypeError: