yql/essentials/udfs/common/python/python3_small/test/cases/OptionalNested.sql


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--sanitizer ignore memory
$optOptList = Python3::opt_opt_list(Callable<(String)->List<String>??>, @@
def opt_opt_list(in_str):
    return [in_str] if len(in_str) % 2 == 0 else None
@@);

SELECT $optOptList("42");