always inherit from an appropiate base class
diff --git a/Parser/asdl.py b/Parser/asdl.py
index 4b5676c..164ca6b 100644
--- a/Parser/asdl.py
+++ b/Parser/asdl.py
@@ -10,14 +10,12 @@
Changes for Python: Add support for module versions
"""
-#__metaclass__ = type
-
import os
import traceback
import spark
-class Token:
+class Token(object):
# spark seems to dispatch in the parser based on a token's
# type attribute
def __init__(self, type, lineno):
@@ -45,7 +43,7 @@
self.value = value
self.lineno = lineno
-class ASDLSyntaxError:
+class ASDLSyntaxError(Exception):
def __init__(self, lineno, token=None, msg=None):
self.lineno = lineno