[autoscaler] Bad error message when dict field omitted (#1632)
[autoscaler] Bad error message when dict field omitted (#1632)

* Wed Feb 28 23:22:55 PST 2018

* Wed Feb 28 23:24:07 PST 2018

pcmoritz/ray-1,robertnishihara/ray,stephanie-wang/ray,ray-project/ray,ujvl/ray-ng,atumanov/ray,atumanov/ray,robertnishihara/ray,ray-project/ray,ray-project/ray,ujvl/ray-ng,pcmoritz/ray-1,pcmoritz/ray-1,stephanie-wang/ray,pcmoritz/ray-1,richardliaw/ray,pcmoritz/ray-1,robertnishihara/ray,ray-project/ray,richardliaw/ray,atumanov/ray,stephanie-wang/ray,robertnishihara/ray,richardliaw/ray,stephanie-wang/ray,stephanie-wang/ray,atumanov/ray,ray-project/ray,stephanie-wang/ray,stephanie-wang/ray,robertnishihara/ray,ray-project/ray,ujvl/ray-ng,richardliaw/ray,richardliaw/ray,atumanov/ray,robertnishihara/ray,robertnishihara/ray,stephanie-wang/ray,atumanov/ray,pcmoritz/ray-1,ray-project/ray,robertnishihara/ray,atumanov/ray,atumanov/ray,richardliaw/ray,pcmoritz/ray-1,richardliaw/ray,robertnishihara/ray,ujvl/ray-ng,stephanie-wang/ray,richardliaw/ray,pcmoritz/ray-1,ray-project/ray