Automatically skip test_os_mac_bottle_tag. Fix style error
Automatically skip test_os_mac_bottle_tag. Fix style error

Linuxbrew/brew,rwhogg/brew,Linuxbrew/brew,Linuxbrew/brew,maxim-belkin/brew,Linuxbrew/brew,maxim-belkin/brew,hanxue/linuxbrew,rwhogg/brew,maxim-belkin/brew,rwhogg/brew,hanxue/linuxbrew,hanxue/linuxbrew