A sed command to change the scheduler
try again in python
fix flake8 warnings
no need for a separate variable
Link directly to the issue
Fix the remaining flake8 warnings
Merge remote-tracking branch 'origin/master' into noop-scheduler-235
Merge pull request #817 from ClusterHQ/noop-scheduler-235

Force the use of noop ioscheduler in tutorial vagrant vms

Authors: @wallrj, @ryao 
Reviewer: @exarkun 

Fixes #235