Python Gotcha's?

[Roy Smith]

In article <4f7de152$0$29983$c3e8da3$5496439d at news.astraweb.com>,
 Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote:

> I'm not the only one who has had trouble with JSON's poor design choice:

This is getting a bit off-topic.  If you wish to argue that JSON is 
designed poorly, you should do that in some appropriate JSON forum.  
It's not a Python issue.

Now, if you wish to boggle your mind about something pythonic, how about 
mutexes not being thread safe (http://bugs.python.org/issue1746071)?