chore(beep boop 🤖): Bump uv.lock (main) (2026-02-20)

[svcnvidia-nemo-ci]

🚀 PR to bump uv.lock in main.

🤖 This PR will be merged automatically once CI passes.

Summary by CodeRabbit

• Chores
  • Updated Megatron-LM submodule dependency to the latest version.

[svcnvidia-nemo-ci]

/ok to test 7a687d2

[copy-pr-bot]

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

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📝 Walkthrough

Walkthrough

This pull request updates the Megatron-LM submodule pointer in the 3rdparty directory from commit 8f1c2f8ae53b4e3f32c0ae7f397d8b38a675eaa2 to 9ba248e69cb209dd2fa916949c62f948cb598432. No functional changes to the main codebase are introduced.

Changes

Cohort / File(s)	Summary
Submodule Update 3rdparty/Megatron-LM	Updated Megatron-LM subproject commit pointer to latest version.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-17) #2399: Both PRs update the same Megatron-LM submodule pointer sequentially (retrieved PR bumped to previous commit, this PR bumps to current commit).
• chore(beep boop 🤖): Bump uv.lock (main) (2026-02-13) #2377: Both PRs update the Megatron-LM submodule pointer in 3rdparty/Megatron-LM with simple commit-bump changes.
• chore(beep boop 🤖): Bump uv.lock (r0.3.0) (2026-02-12) #2348: Both PRs update the Megatron-LM submodule pointer, changing the recorded commit reference.

Suggested reviewers

• maanug-nv
• yaoyu-33
• chtruong814

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title mentions bumping uv.lock but the changes show only a submodule pointer update to Megatron-LM, not uv.lock changes.	Update the title to accurately reflect that this PR bumps the Megatron-LM submodule pointer, or clarify if uv.lock changes are also included but not shown in the summary.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Test Results For Major Changes	✅ Passed	PR contains only minor changes—submodule pointer update and dependency lock file update with no functional modifications, exempt from test results requirement.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch bump-ci-container-2026-02-20-main

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