21     def __init__(self, file, line=None):  argument
24     def __str__(self):  argument
31     def __init__(self, name, type, location=None):  argument
37     def __eq__(self, other):  argument
41     def __ne__(self, other):  argument
45     def __hash__(self):  argument
47     def __str__(self):  argument
53     def __repr__(self):  argument
130     def __init__(self, value):  argument
132     def __hash__(self):  argument
134     def __eq__(self, other):  argument