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@yuxianq yuxianq commented Sep 17, 2025

Summary by CodeRabbit

  • Bug Fixes

    • Ensured stable installs for the Gemma example by constraining NumPy to versions below 2, preventing incompatibility issues.
  • Tests

    • Simplified integration test setup for the Gemma example to install dependencies from its requirements file, removing platform-specific logic and improving reliability.

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@yuxianq yuxianq requested a review from a team as a code owner September 17, 2025 04:42
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📝 Walkthrough

Walkthrough

Adds numpy<2 to the Gemma example’s requirements and simplifies integration test setup by replacing platform-specific dependency installation with a single pip install -r against the example’s requirements file.

Changes

Cohort / File(s) Summary
Gemma example requirements
examples/models/core/gemma/requirements.txt
Constrains numpy version with numpy<2 added after flax~=0.8.0.
Integration test setup simplification
tests/integration/defs/conftest.py
Replaces OS/arch-specific package installs (jax/jaxlib, CUDA handling, safetensors, nltk, flax, cuDNN constraints) with pip install -r <gemma_path>/requirements.txt; function signatures unchanged.

Sequence Diagram(s)

sequenceDiagram
    participant Pytest as Pytest
    participant Conftest as conftest.py
    participant Pip as pip
    participant GemmaReq as gemma/requirements.txt

    Pytest->>Conftest: call gemma_example_root()
    Note over Conftest: Setup dependencies for Gemma example
    Conftest->>Pip: pip install -r <gemma_path>/requirements.txt
    Pip->>GemmaReq: Read dependency list
    Pip-->>Conftest: Install per manifest (incl. numpy<2)
    Conftest-->>Pytest: Return gemma example root path
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🎯 2 (Simple) | ⏱️ ~10 minutes

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Pre-merge checks

❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Description Check ⚠️ Warning The PR body contains only the repository PR template and an @coderabbitai marker but is not filled out: there is no completed title following the required template, no concise "Description" explaining what and why, no "Test Coverage" listing relevant tests or CI stages, and the PR checklist items are not addressed; while the pr_objectives/raw_summary show the intent to pin numpy<2 and simplify gemma dependency installation, those concrete details are absent from the author-provided description. Please update the PR to include a title that follows the repository template, add a concise Description stating the exact changes and rationale (e.g., pin numpy<2 in examples/models/core/gemma/requirements.txt and replace platform-specific installs with pip -r in tests/integration/defs/conftest.py), add a Test Coverage section naming tests or CI stages that validate the change, and complete the PR Checklist items (dependency scan, CODEOWNERS, docs) before requesting review and running CI.
✅ Passed checks (2 passed)
Check name Status Explanation
Title Check ✅ Passed The title "[https://nvbugs/5522332][fix] Pin numpy version for Gemma." is concise, follows the repository ticket/type pattern, and accurately summarizes the primary change (adding a numpy<2 constraint to the Gemma example requirements), so it clearly communicates the main intent of the PR.
Docstring Coverage ✅ Passed Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

@yuxianq yuxianq changed the title Pin numpy version for Gemma. [https://nvbugs/5522332][fix] Pin numpy version for Gemma. Sep 17, 2025
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yuxianq commented Sep 17, 2025

/bot run --disable-fail-fast

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Actionable comments posted: 0

🧹 Nitpick comments (3)
examples/models/core/gemma/requirements.txt (1)

8-8: Add a brief rationale comment to prevent future churn.

Add a one‑liner explaining why NumPy is pinned and when to revisit.

Apply:

 flax~=0.8.0
+# Pin NumPy <2 due to Gemma’s JAX/Flax stack on release/1.0; revisit when upgrading JAX/Flax.
 numpy<2
tests/integration/defs/conftest.py (2)

283-287: Guard against cross-test env contamination (optional teardown).

Installing example-specific deps (now including numpy<2) can affect later tests sharing the same venv. Consider restoring root deps after Gemma tests, as done for mamba/recurrentgemma.

Apply:

 @pytest.fixture(scope="module")
 def gemma_example_root(llm_root, llm_venv):
     "Get gemma example root"
     example_root = os.path.join(llm_root, "examples", "models", "core", "gemma")
-    llm_venv.run_cmd([
-        "-m", "pip", "install", "-r",
-        os.path.join(example_root, "requirements.txt")
-    ])
-
-    return example_root
+    llm_venv.run_cmd([
+        "-m", "pip", "install", "-r",
+        os.path.join(example_root, "requirements.txt")
+    ])
+    try:
+        yield example_root
+    finally:
+        # Restore base deps to avoid leakage into subsequent tests
+        llm_venv.run_cmd([
+            "-m", "pip", "install", "-r",
+            os.path.join(llm_root, "requirements.txt")
+        ])

1-16: Update copyright year.

File changed in 2025; header should include 2025 per guidelines.

Apply:

-# SPDX-FileCopyrightText: Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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📒 Files selected for processing (2)
  • examples/models/core/gemma/requirements.txt (1 hunks)
  • tests/integration/defs/conftest.py (1 hunks)
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Learnt from: yibinl-nvidia
PR: NVIDIA/TensorRT-LLM#6506
File: examples/models/core/mixtral/requirements.txt:3-3
Timestamp: 2025-08-01T15:14:45.673Z
Learning: In TensorRT-LLM, examples directory can have different dependency versions than the root requirements.txt file. Version conflicts between root and examples dependencies are acceptable because examples are designed to be standalone and self-contained.

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tests/integration/defs/perf/utils.py (2)
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🔇 Additional comments (2)
tests/integration/defs/conftest.py (1)

283-287: Good simplification: install via the example’s requirements.

Aligns Gemma with other examples using pip install -r. LGTM.

examples/models/core/gemma/requirements.txt (1)

8-8: Approve — NumPy<2 pin OK; constraints & CI verified

  • -c ../../../constraints.txt resolves to examples/constraints.txt; neither that file nor top-level constraints.txt contains a numpy pin (no >=2).
  • Repo already pins numpy<2 in requirements.txt and tests/integration/defs/perf/requirements.txt.
  • CI: .github/workflows/precommit-check.yml uses python-version '3.12'; .github/workflows/label_community_pr.yml uses '3.x' (no explicit 3.13).

@chzblych chzblych added the Release Blocker PRs that blocking the final release build or branching out the release branch label Sep 17, 2025
@moraxu moraxu self-assigned this Sep 17, 2025
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PR_Github #18891 [ run ] completed with state SUCCESS
/LLM/release-1.0/L0_MergeRequest_PR pipeline #405 completed with status: 'SUCCESS'

@yuxianq yuxianq merged commit a838c2c into NVIDIA:release/1.0 Sep 17, 2025
5 of 6 checks passed
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