Job 12877

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 556, in run
    solve(params, cis)
  File "solution.py", line 521, in solve
    observation, reward, done, info = env.step(action)
  File "/opt/conda/lib/python2.7/site-packages/gym/core.py", line 304, in step
    observation, reward, done, info = self.env.step(action)
  File "/opt/conda/lib/python2.7/site-packages/gym/core.py", line 304, in step
    observation, reward, done, info = self.env.step(action)
  File "/opt/conda/lib/python2.7/site-packages/gym/core.py", line 304, in step
    observation, reward, done, info = self.env.step(action)
  File "/opt/conda/lib/python2.7/site-packages/gym/wrappers/time_limit.py", line 31, in step
    observation, reward, done, info = self.env.step(action)
  File "/workspace/src/gym-duckietown-agent/gym_duckietown_agent/envs/simplesimagent_env.py", line 105, in step
    assert len(action) == 2
TypeError: object of type 'NoneType' has no len()