Submission 1008

InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 585, in wrap_solution
    solution.run(cis)
  File "solution.py", line 122, in run
    solve(params, cis)
  File "solution.py", line 43, in solve
    env = DummyVecEnv([env])
  File "/workspace/wrappers.py", line 261, in __init__
    self.envs = [fn() for fn in env_fns]
  File "/workspace/wrappers.py", line 261, in <listcomp>
    self.envs = [fn() for fn in env_fns]
TypeError: 'ScaleObservations' object is not callable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 590, in wrap_solution
    raise InvalidSubmission(msg)
duckietown_challenges.exceptions.InvalidSubmission: Uncaught exception in solution:
Traceback (most recent call last):
  File "/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 585, in wrap_solution
    solution.run(cis)
  File "solution.py", line 122, in run
    solve(params, cis)
  File "solution.py", line 43, in solve
    env = DummyVecEnv([env])
  File "/workspace/wrappers.py", line 261, in __init__
    self.envs = [fn() for fn in env_fns]
  File "/workspace/wrappers.py", line 261, in <listcomp>
    self.envs = [fn() for fn in env_fns]
TypeError: 'ScaleObservations' object is not callable