Minor updates to CLIMB tutorial

[sarahyurick]

Fixes get_deterministic_hash import and edits utils.py to not use top-level Curator imports.

[greptile-apps]

Greptile Summary

This PR makes three small corrections to the Nemotron-CLIMB tutorial: it fixes the broken get_deterministic_hash import in 3_prune.py, refactors utils.py to defer heavy nemo_curator imports so the module can be loaded without a full Curator install, and corrects the README title capitalisation.

• 3_prune.py: removes the unreachable nemo_curator.stages.text.io.writer.utils path and adds the canonical from nemo_curator.utils.hash_utils import get_deterministic_hash; the function's signature (list[str], str) is compatible with the call site.
• utils.py: moves nemo_curator.core.constants imports inside attach_ray_client_args and RayClient import inside create_ray_client, guarding the type annotation with TYPE_CHECKING; type checkers that honour TYPE_CHECKING (mypy, pyright) will resolve "RayClient" correctly.
• README.md: title fixed from "Nemotron-Climb" to "Nemotron-CLIMB".

Confidence Score: 5/5

All three changes are straightforward corrections with no functional risk — the import is now valid and points to the confirmed location of get_deterministic_hash, and the deferred imports in utils.py follow standard Python patterns.

The changes fix a broken import, defer heavy optional imports to avoid eager loading, and correct a title typo. The function being imported exists at the referenced path with a compatible signature, and the TYPE_CHECKING pattern used in utils.py is well-understood by the relevant type checkers.

No files require special attention.

Important Files Changed

Filename	Overview
tutorials/text/nemotron-climb-data-curation/3_prune.py	Replaced invalid module-attribute import path for get_deterministic_hash with a correct direct import from nemo_curator.utils.hash_utils; call site updated accordingly. Signature is compatible.
tutorials/text/nemotron-climb-data-curation/utils.py	Top-level RayClient and constants imports replaced with TYPE_CHECKING-guarded annotation and lazy function-level imports; the string annotation 'RayClient' correctly resolves for type checkers that honour TYPE_CHECKING blocks.
tutorials/text/nemotron-climb-data-curation/README.md	Title capitalisation corrected from 'Nemotron-Climb' to 'Nemotron-CLIMB' to match the paper acronym.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[3_prune.py] -->|"from nemo_curator.utils.hash_utils import get_deterministic_hash"| B[hash_utils.py]
    A -->|imports| C[utils.py]
    C -->|TYPE_CHECKING only| D["nemo_curator.core.client.RayClient (type annotation)"]
    C -->|lazy import inside attach_ray_client_args| E[nemo_curator.core.constants]
    C -->|lazy import inside create_ray_client| F[nemo_curator.core.client.RayClient]
    A -->|uses| G["get_deterministic_hash(source_files, task.task_id)"]
    B --> G

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_{Reviews (4): Last reviewed commit: "Merge branch 'main' into climb_nvbug" | Re-trigger Greptile}

[VibhuJawa]

LGTM