[ARROW-7334] [CI][Python] macOS uses Python 2

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Component/s: Continuous Integration, Python
• Labels: pull-request-available
• Assignee: Kouhei Sutou
• Reporter: Kouhei Sutou
• Created: 06/Dec/19 05:34
• Updated: 09/Dec/19 13:56
• Resolved: 06/Dec/19 21:27

Description

We should use Python 3.

Issue Links

• duplicates: ARROW-7220 [CI][Python] Github actions macOS python 3 build is using python 2
• links to: GitHub Pull Request #5979