when I run"python main.py fullobs_collect_treasure dir_1",there are the errors

[Gezx]

Episodes 1-13 of 50000
Process Process-1:
Traceback (most recent call last):
File "/home/gezhixin/anaconda3/lib/python3.6/multiprocessing/process.py", line 258, in _bootstrap
self.run()
File "/home/gezhixin/anaconda3/lib/python3.6/multiprocessing/process.py", line 93, in run
self._target(*self._args, **self._kwargs)
File "/home/gezhixin/MAAC-master/utils/env_wrappers.py", line 20, in worker
ob = env.reset()
File "/home/gezhixin/anaconda3/lib/python3.6/site-packages/gym/core.py", line 66, in reset
raise NotImplementedError
NotImplementedError
Process Process-2:
Traceback (most recent call last):
File "/home/gezhixin/anaconda3/lib/python3.6/multiprocessing/process.py", line 258, in _bootstrap
self.run()
File "/home/gezhixin/anaconda3/lib/python3.6/multiprocessing/process.py", line 93, in run
self._target(*self._args, **self._kwargs)
File "/home/gezhixin/MAAC-master/utils/env_wrappers.py", line 20, in worker
ob = env.reset()
File "/home/gezhixin/anaconda3/lib/python3.6/site-packages/gym/core.py", line 66, in reset
raise NotImplementedError
NotImplementedError
Process Process-3:

[shariqiqbal2810]

Make sure your package versions match what is specified in the README (specifically gym in this case)