Commits
Uwe L. Korn authored and Wes McKinney committed c13d671b15c
ARROW-644: Python: Cython should be a setup-only requirement Author: Uwe L. Korn <uwelk@xhochy.com> Closes #392 from xhochy/ARROW-644 and squashes the following commits: 5d99895 [Uwe L. Korn] ARROW-644: Python: Cython should be a setup-only requirement