def has_duration(self):
<EOL>try:<EOL><INDENT>return bool(self._my_map['<STR_LIT>'])<EOL><DEDENT>except KeyError:<EOL><INDENT>return False<EOL><DEDENT>
Tests if there is a fixed duration for this assessment.

        return: (boolean) - ``true`` if there is a fixed duration,
                ``false`` otherwise
        *compliance: mandatory -- This method must be implemented.*