since tensorflow is not required, add mac on CI

11 jobs for master in 12 minutes and 3 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #64293
conda-linux
build_linux_27

00:04:16

passed #64296
conda-linux
build_linux_35

00:04:20

passed #64294
conda-macosx
build_macosx_27

00:03:36

passed #64295
conda-macosx
build_macosx_35

00:03:35

 
  Test
passed #64298
conda-linux
test_linux_27

00:06:53

passed #64297
conda-linux
test_linux_35

00:07:09

passed #64299
conda-macosx
test_macosx_27

00:03:14

passed #64300
conda-macosx
test_macosx_35

00:03:05

 
  Docs
passed #64301
conda-linux
docs_linux_35

00:00:19

 
  Wheels
passed #64302
conda-linux
wheels_linux_27

00:00:12

passed #64303
conda-linux
wheels_linux_35

00:00:15