FIX: Change is comparison to == for tuple #1009
Merged
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Just here to try to help get to 5.0.0. I don't directly use rdflib, so I'm not familiar enough with the API to add a good test. Also, your coverage stats make it hard to see if this is getting properly exercised.
Assuming it is, my guess is that this is just a short-circuit to save some computation, and
(None, None, None)
would generate the same result going the long way round. If so, then there's not much to test anyway.Long story short: Happy to add a test, if someone more familiar with the code base gives me a strong prod.
Closes #998.