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Unable to run PointNav agent locally

See original GitHub issue

While running the “test_locally_pointnav_rgbd.sh” script, I get the following error:

2020-03-24 10:15:01,170 Initializing dataset PointNav-v1
2020-03-24 10:15:01,171 initializing sim Sim-v0
2020-03-24 10:15:02,310 Initializing task Nav-v0
Traceback (most recent call last):
  File "agent.py", line 26, in <module>
    main()
  File "agent.py", line 21, in main
    challenge = habitat.Challenge()
  File "/habitat-api/habitat/core/challenge.py", line 16, in __init__
    super().__init__(config_paths)
  File "/habitat-api/habitat/core/benchmark.py", line 30, in __init__
    self._env = Env(config=config_env)
  File "/habitat-api/habitat/core/env.py", line 102, in __init__
    dataset=self._dataset,
  File "/habitat-api/habitat/tasks/registration.py", line 21, in make_task
    return _task(**kwargs)
  File "/habitat-api/habitat/tasks/nav/nav.py", line 968, in __init__
    super().__init__(config=config, sim=sim, dataset=dataset)
  File "/habitat-api/habitat/core/embodied_task.py", line 241, in __init__
    entities_config=config,
  File "/habitat-api/habitat/core/embodied_task.py", line 269, in _init_entities
    entity_type = register_func(entity_cfg.TYPE)
  File "/opt/conda/envs/habitat/lib/python3.6/site-packages/yacs/config.py", line 141, in __getattr__
    raise AttributeError(name)
AttributeError: TYPE

When I traced the error, I found that the task type specified in “challenge_pointnav2020.local.rgbd.yaml” file is not being read by yacs. Please let me know how I can fix this problem.