Traceback (most recent call last):


 "mario.py", line 64, in <module>

memory=memory


 "/home/ai/tensorforce/tensorforce/agents/ppo_agent.py", line 85, in __init__

buffer_observe=buffer_observe, seed=seed


 "/home/ai/tensorforce/tensorforce/agents/agent.py", line 90, in __init__

values_spec=states, value_type='state', return_normalized=True


 "/home/ai/tensorforce/tensorforce/util.py", line 267, in valid_values_spec

if is_atomic_values_spec(values_spec=values_spec):


 "/home/ai/tensorforce/tensorforce/util.py", line 260, in is_atomic_values_spec

return 'type' in values_spec or 'shape' in values_spec
TypeError: argument of type 'method' is not iterable

Traceback (most recent call last):


 "/usr/local/lib/python3.6/threading.py", line 1352, in _after_fork

thread._stop()
TypeError: 'Event' object is not callable
