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observe and unobserve take mutable default argument

Open Carreau opened this issue 9 years ago • 1 comments

Agreed it's a Sentinel, so it might not be that bad, not sure we can do about it, beyond extending the sentinel with __setattr__.

Carreau avatar May 16 '16 17:05 Carreau

It's not mutable in any meaningful way, so I don't think we should do anything about this.

minrk avatar Aug 04 '16 13:08 minrk