Good debugger for CPython 3.2?

[Dan Stromberg]

What's a good debugger for CPython 3.2?  I'd prefer to use it on Linux Mint
13, and I'd be happy with something based on X11 or curses.

I tried winpdb, but it was cranky that Linux didn't have a spawn callable.
Why they didn't use the portable subprocess module escapes me.

I also tried ddd, but it blew up on:
def callable(*msg, file=sys.stderr):
...which suggests to me that this is too-new syntax for the child debugger
ddd is using.

Are there other good options?  Did I give up too quickly on one of the
above?

Thanks!
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