Fix first_micro_batch_rollout_time

PiperOrigin-RevId: 834982334

Merge pull request #772 from google:lance-fix1

PiperOrigin-RevId: 834528724

Copybara import of the project:

--
a407ff2 by Lance Wang <lancewang@google.com>:

Add vLLM to dependency list since it's OSS-ed.

COPYBARA_INTEGRATE_REVIEW=#582 from google:lance-add-vllm a407ff2
PiperOrigin-RevId: 821078416

Merge pull request #549 from google:v0.1

PiperOrigin-RevId: 817715942

Merge pull request #481 from google:lance-description

PiperOrigin-RevId: 815796380

Bump up the version to v0.1.0

Merge pull request #442 from google:v0.1

PiperOrigin-RevId: 813117769

Adds prod and dev mode for tunix.

Merge pull request #372 from google/lance-flax

Use Flax release insteading of github head.

tunix v0.0.1 release