moderation_reasons causes mailman client to freak out

client.py line 443: moderation_reasons=entry['moderation_reasons']

throws an error at the moment. I think it might be related to mailman!71 (diffs) since that's the only thing I see that might have changed recently in that area.

@abompard -- thoughts?

It can be quick fixed by commenting out that line, but obviously that's not a good solution. Should be pretty easy to track down by someone who's not in the middle of debugging a production install!