fix windows CI for loops

15 jobs for master in 5 minutes and 10 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build
passed build-2.7-linux #41195
Linux

00:01:17

passed build-2.7-macos #41196
Apple

00:02:19

passed build-3.5-linux #41193
Linux

00:01:21

passed build-3.5-macos #41194
Apple

00:02:20

passed build-3.6-VS2017 #41192
VS2017

00:01:29

 
  Test
passed test-2.7-linux #41200
Linux

00:00:05

passed test-2.7-macos #41201
Apple

00:00:10

passed test-3.5-linux #41198
Linux

00:00:09

passed test-3.5-macos #41199
Apple

00:00:12

passed test-3.6-VS2017 #41197
VS2017

00:00:21

 
  Deploy
passed deploy-2.7-linux #41205
Linux

00:00:01

passed deploy-2.7-macos #41206
Apple

00:00:01

passed deploy-3.5-linux #41203
Linux

00:00:01

passed deploy-3.5-macos #41204
Apple

00:00:01

passed deploy-3.6-VS2017 #41202
VS2017

00:00:02