Commits
Uwe L. Korn authored and Antoine Pitrou committed 3ea2d50e260
ARROW-7407: [Python] Declare NumPy a PEP517 build dependency Closes #6048 from xhochy/ARROW-7407 and squashes the following commits: 54465249e <Uwe L. Korn> ARROW-7407: Declare NumPy a PEP517 build dependency Authored-by: Uwe L. Korn <uwe.korn@quantco.com> Signed-off-by: Antoine Pitrou <antoine@python.org>