Submission 601

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 "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 590, in wrap_solution
    raise InvalidSubmission(msg)
InvalidSubmission: Uncaught exception in solution:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 585, in wrap_solution
    solution.run(cis)
  File "solution.py", line 99, in run
    solve(params, cis)
  File "solution.py", line 39, in solve
    env = make_env(config)
  File "solution.py", line 20, in make_env
    env = FrameStackWrappper(env=env, k=3)
  File "/workspace/wrappers.py", line 77, in __init__
    self.undistort = UndistortWrapper(env)
NameError: global name 'UndistortWrapper' is not defined