Bump pillow from 5.2.0 to 6.2.0 in /api#5

dependabot[bot] wants to merge 1 commit intomasterMachine-Learning-Tokyo/MLTx2020:masterfrom

dependabot/pip/api/pillow-6.2.0Machine-Learning-Tokyo/MLTx2020:dependabot/pip/api/pillow-6.2.0Copy head branch name to clipboard