set environment to NetHackChallenge

requirements.txt

 aicrowd-api
 aicrowd-gym
 numpy
-nle --no-binary=nle
+scipy
+git+https://github.com/facebookresearch/nle.git@eric/competition

rollout.py

@@ -12,7 +12,7 @@ def main():
 
     # This allows us to limit the features of the environment 
     # that we don't want participants to use during the submission
-    env = aicrowd_gym.make("NetHackScore-v0") 
+    env = aicrowd_gym.make("NetHackChallenge-v0") 
 
     env.reset()
     done = False