def modified_utc(self): return util.format_datetime_utc(self.modified) if self.modified else None
def modified_utc(self): if not self.modified: return None return util.format_datetime_utc(self.modified)
def created_utc(self): return util.format_datetime_utc(self.created) if self.created else None
def created_utc(self): if not self.created: return None return util.format_datetime_utc(self.created)