擅长:python、mysql、java
<p>我可以这样复制错误消息:</p>
<pre><code>import cPickle
class Foo(object):
def __init__(self):
self.mod=cPickle
foo=Foo()
with file('/tmp/test.out', 'w') as f:
cPickle.dump(foo, f)
# TypeError: can't pickle module objects
</code></pre>
<p>是否有引用模块的类属性?</p>