use isinstance
diff --git a/Lib/dis.py b/Lib/dis.py
index e60e702..edc210f 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -19,7 +19,7 @@
if x is None:
distb()
return
- if type(x) is types.InstanceType:
+ if isinstance(x, types.InstanceType):
x = x.__class__
if hasattr(x, 'im_func'):
x = x.im_func
@@ -29,10 +29,10 @@
items = x.__dict__.items()
items.sort()
for name, x1 in items:
- if type(x1) in (types.MethodType,
- types.FunctionType,
- types.CodeType,
- types.ClassType):
+ if isinstance(x1, (types.MethodType,
+ types.FunctionType,
+ types.CodeType,
+ types.ClassType)):
print "Disassembly of %s:" % name
try:
dis(x1)