Traceback (most recent call last):


 "main.py", line 94, in <module>

argh.dispatch(parser)


 "/home/cong/anaconda3/envs/tf3.4/lib/python3.4/site-packages/argh/dispatching.py", line 174, in dispatch

for line in lines:


 "/home/cong/anaconda3/envs/tf3.4/lib/python3.4/site-packages/argh/dispatching.py", line 277, in _execute_command

for line in result:


 "/home/cong/anaconda3/envs/tf3.4/lib/python3.4/site-packages/argh/dispatching.py", line 260, in _call

result = function(*positional, **keywords)


 "main.py", line 72, in train

n = PolicyNetwork()


 "/home/cong/Downloads/MuGo/policy.py", line 49, in __init__

self.set_up_network()


 "/home/cong/Downloads/MuGo/policy.py", line 90, in set_up_network

log_likelihood_cost = -tf.reduce_mean(tf.reduce_sum(tf.mul(tf.log(output), y), reduction_indices=[1]))
AttributeError: 'module' object has no attribute 'mul'

Traceback (most recent call last):


 "/home/hejia/Projects/garage/tests/test_algos.py", line 96, in test_polopt_algo

policy = policy_cls(env_spec=env.spec, )


 "/home/hejia/Projects/garage/garage/policies/gaussian_gru_policy.py", line 40, in __init__

obs_dim = env_spec.observation_space.flat_dim +\
AttributeError: 'NoneType' object has no attribute 'observation_space'
