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chore: fix mypy violations in post_training modules (#1548)

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# What does this PR do?

Fixes a bunch of violations.

Note: this patch touches all files but post_training.py that will be
significantly changed by #1437, hence leaving it out of the picture for
now.

[//]: # (If resolving an issue, uncomment and update the line below)
[//]: # (Closes #[issue-number])

## Test Plan

Testing with https://github.com/meta-llama/llama-stack/pull/1543

Also checked that GPU training works with the change:

```
INFO:     ::1:53316 - "POST /v1/post-training/supervised-fine-tune HTTP/1.1" 200 OK
INFO:     ::1:53316 - "GET /v1/post-training/job/status?job_uuid=test-jobb5ca2d84-d541-42f8-883b-762828b4c0e7 HTTP/1.1" 200 OK
INFO:     ::1:53316 - "GET /v1/post-training/job/artifacts?job_uuid=test-jobb5ca2d84-d541-42f8-883b-762828b4c0e7 HTTP/1.1" 200 OK
21:24:01.161 [END] /v1/post-training/supervised-fine-tune [StatusCode.OK] (32526.75ms)
 21:23:28.769 [DEBUG] Setting manual seed to local seed 3918872849. Local seed is seed + rank = 3918872849 + 0
 21:23:28.996 [INFO] Identified model_type = Llama3_2. Ignoring output.weight in checkpoint in favor of the tok_embedding.weight tied weights.
 21:23:29.933 [INFO] Memory stats after model init:
        GPU peak memory allocation: 6.05 GiB
        GPU peak memory reserved: 6.10 GiB
        GPU peak memory active: 6.05 GiB
 21:23:29.934 [INFO] Model is initialized with precision torch.bfloat16.
 21:23:30.115 [INFO] Tokenizer is initialized.
 21:23:30.118 [INFO] Optimizer is initialized.
 21:23:30.119 [INFO] Loss is initialized.
 21:23:30.896 [INFO] Dataset and Sampler are initialized.
 21:23:30.898 [INFO] Learning rate scheduler is initialized.
 21:23:31.618 [INFO] Memory stats after model init:
        GPU peak memory allocation: 6.24 GiB
        GPU peak memory reserved: 6.30 GiB
        GPU peak memory active: 6.24 GiB
 21:23:31.620 [INFO] Starting checkpoint save...
 21:23:59.428 [INFO] Model checkpoint of size 6.43 GB saved to /home/ec2-user/.llama/checkpoints/meta-llama/Llama-3.2-3B-Instruct-sft-0/consolidated.00.pth
 21:23:59.445 [INFO] Adapter checkpoint of size 0.00 GB saved to /home/ec2-user/.llama/checkpoints/meta-llama/Llama-3.2-3B-Instruct-sft-0/adapter/adapter.pth

```

[//]: # (## Documentation)

Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
This commit is contained in:
Ihar Hrachyshka 2025-03-18 17:58:16 -04:00 • committed by GitHub
parent f86f3cf878
commit 0cbb7f7f21
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9 changed files with 56 additions and 69 deletions
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4
pyproject.toml
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@ -228,10 +228,6 @@ exclude = [
"^llama_stack/providers/inline/inference/sentence_transformers/sentence_transformers\\.py$",
"^llama_stack/providers/inline/inference/vllm/",
"^llama_stack/providers/inline/post_training/common/validator\\.py$",
"^llama_stack/providers/inline/post_training/torchtune/common/checkpointer\\.py$",
"^llama_stack/providers/inline/post_training/torchtune/common/utils\\.py$",
"^llama_stack/providers/inline/post_training/torchtune/datasets/sft\\.py$",
"^llama_stack/providers/inline/post_training/torchtune/recipes/lora_finetuning_single_device\\.py$",
"^llama_stack/providers/inline/post_training/torchtune/post_training\\.py$",
"^llama_stack/providers/inline/safety/code_scanner/",
"^llama_stack/providers/inline/safety/llama_guard/",