def datetime_uploaded(self):
        """Returns file's upload aware *datetime* in UTC format.

        It might do API request once because it depends on ``info()``.

        """
        if self.info().get('datetime_uploaded'):
            return dateutil.parser.parse(self.info()['datetime_uploaded'])
Returns file's upload aware *datetime* in UTC format.

        It might do API request once because it depends on ``info()``.