Fixed: apache/flink#40713 (release-1.9 - ab48243)

[Flink CI]

apache / flink release-1.9 Build #40713 fixed 5 hrs, 7 mins, 53 secs Wei Zhong ab48243 CHANGESET → [FLINK-14445][python] Fix python module build failed when making sdist. This closes #9932.