[rllib] fix for rollout of lstm policies (#3643)
[rllib] fix for rollout of lstm policies (#3643)

* fix for lstm policies

* added call to local evaluator

* Update python/ray/rllib/rollout.py

Co-Authored-By: eugenevinitsky <8fa1b882ce70377b0d46695e14c0c716be70d52b@users.noreply.github.com>

* Update rollout.py

* Update rollout.py

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