Setting setupPyBuildFlags makes builder add an additional target "build_ext" to setup.py arguments in addition to "bdisst_wheel". pyarrow's setup.py recently started to try to redo build_ext again which broke the build.
Setting setupPyBuildFlags makes builder add an additional target "build_ext" to setup.py arguments in addition to "bdisst_wheel". pyarrow's setup.py recently started to try to redo build_ext again which broke the build.