raise ValueError 'Critic "{}" does not have enough inputs when run ddpg_pendulum.py

[Hanker]

Traceback (most recent call last):
File "examples/ddpg_pendulum.py", line 57, in
random_process=random_process, gamma=.99, target_model_update=1e-3)
File "/home/kai/keras-rl/rl/agents/ddpg.py", line 36, in init
raise ValueError('Critic "{}" does not have enough inputs. The critic must have at exactly two inputs, one for the action and one for the observation.'.format(critic))
ValueError: Critic "<keras.engine.training.Model object at 0x7fae6e05d690>" does not have enough inputs. The critic must have at exactly two inputs, one for the action and one for the observation.

it showed errors when i try to run command python examples/ddpg_pendulum.py

btw, python examples/dqn_cartpole.py can be executed successfully.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.