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[tune] re-enable tensorboardx without torch installed #17403

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merged 1 commit into from
Jul 29, 2021

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krfricke
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Why are these changes needed?

TensorboardX 2.4 removed the hard dependency on torch, so we should be fine to use it again.

This PR also works with Tensorboard 2.3 and will throw a warning if torch is not installed, so remains fully backwards compatible.

cc @tgaddair

Related issue number

Related PR #16695
Closes #17366

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  • I've run scripts/format.sh to lint the changes in this PR.
  • I've included any doc changes needed for https://docs.ray.io/en/master/.
  • I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
  • Testing Strategy
    • Unit tests
    • Release tests
    • This PR is not tested :(

@krfricke krfricke merged commit 44d209d into ray-project:master Jul 29, 2021
@krfricke krfricke deleted the tensorboardx branch July 29, 2021 09:39
stephanie-wang pushed a commit to stephanie-wang/ray that referenced this pull request Jul 31, 2021
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[rllib] tensorboard events file not written for DQN since 1.5.0
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