Use Sequence instead of List for path param
#659
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Unlike `List`, which is invariant, `Sequence` is covariant, which lets `path` accept lists of subsets of the `Union` as well. I believe this is safe, as django doesn't mutate this input. I found [this comment](python/mypy#3351 (comment)) helpful
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Unlike
List, which is invariant,Sequenceis covariant, which letspathaccept lists of subsets of theUnionas well.I believe this is safe, as django doesn't mutate this input. I found
this comment helpful