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PacktPublishing / Deep-Reinforcement-Learning-Hands-On-Second-Edition

Deep-Reinforcement-Learning-Hands-On-Second-Edition, published by Packt
MIT License
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Chapter 8 - 01_dqn_basic.py #47

Open CAV-Research-Lab opened 3 years ago

CAV-Research-Lab commented 3 years ago

When I run the code, I get the below errors

AttributeError: module 'ignite' has no attribute 'EndOfEpisodeHandler'

how to solve the issue?

Shmuma commented 3 years ago

Hi! Which version of ignite do you have? To make code work, you have to have versions which are noted in the requirements.txt

Lynnehao commented 3 years ago

When I run the code, I get the below errors,want can i do Traceback (most recent call last): File "/content/drive/MyDrive/Hands_on_DRL/Deep-Reinforcement-Learning-Hands-On-Second-Edition/Chapter08/01_dqn_basic.py", line 62, in common.setup_ignite(engine, params, exp_source, NAME) File "/content/drive/MyDrive/Hands_on_DRL/Deep-Reinforcement-Learning-Hands-On-Second-Edition/Chapter08/lib/common.py", line 158, in setup_ignite handler.attach(engine) File "/usr/local/lib/python3.7/dist-packages/ptan/ignite.py", line 35, in attach engine.register_events(*EpisodeEvents) File "/usr/local/lib/python3.7/dist-packages/ignite/engine/engine.py", line 222, in register_events raise TypeError(f"Value at {index} of event_names should be a str or EventEnum, but given {e}") TypeError: Value at 0 of event_names should be a str or EventEnum, but given EpisodeEvents.EPISODE_COMPLETED

Shmuma commented 3 years ago

Hi! Something is wrong with your versions, especially ignite. Please check

On Sat, 30 Oct 2021, 06:21 Lynnehao, @.***> wrote:

When I run the code, I get the below errors,want can i do Traceback (most recent call last): File "/content/drive/MyDrive/Hands_on_DRL/Deep-Reinforcement-Learning-Hands-On-Second-Edition/Chapter08/01_dqn_basic.py", line 62, in common.setup_ignite(engine, params, exp_source, NAME) File "/content/drive/MyDrive/Hands_on_DRL/Deep-Reinforcement-Learning-Hands-On-Second-Edition/Chapter08/lib/common.py", line 158, in setup_ignite handler.attach(engine) File "/usr/local/lib/python3.7/dist-packages/ptan/ignite.py", line 35, in attach engine.register_events(*EpisodeEvents) File "/usr/local/lib/python3.7/dist-packages/ignite/engine/engine.py", line 222, in register_events raise TypeError(f"Value at {index} of event_names should be a str or EventEnum, but given {e}") TypeError: Value at 0 of event_names should be a str or EventEnum, but given EpisodeEvents.EPISODE_COMPLETED

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