Fix confusion in the SpanFilter docstring #3851
Merged
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What does this PR do?
The docstring was claiming that a truthy value from the filter block keeps the span, but in fact it's the other way around, a truthy value drops the span.
Motivation:
Found this by accident, and given that "truthy to filter" is already unintuitive enough, having the docs lie doesn't exactly help :D
Additional Notes:
Nope.
How to test the change?
Visual review should suffice.