def get_unit_name(self):
if not self.unit:<EOL><INDENT>return None<EOL><DEDENT>name = sorted(self.unit.names, key=len)[-<NUM_LIT:1>]<EOL>return '<STR_LIT>' % name<EOL>
Returns the name of the unit for this GPS scale

        Note that this returns a simply-pluralised version of the name.