Interesting, looking into, let's say, 100 of those is [not] None, randomly
chosen, should give an very good idea of typical use for your code base.
I am curious about why you don't like solutions involving exceptions?
Performance?
Catching too much, like typing errors?
Less easy to distinguish between None and attr missing?
Less easy to combine None-aware and classic attr lookup on the same expression?
Something else?
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