upgrade transformers to 4.57.5

[winglian]

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Summary by CodeRabbit

• Chores
  • Updated the transformers library dependency to version 4.57.5

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📝 Walkthrough

Walkthrough

The transformers library dependency in requirements.txt was updated from version 4.57.1 to 4.57.5, representing a patch-level version bump. No other dependencies were modified.

Changes

Cohort / File(s)	Summary
Dependency Version Update requirements.txt	Updated transformers from 4.57.1 to 4.57.5

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• upgrade transformers==4.55.0 #3018 — Updates transformers dependency version in requirements.txt
• upgrade dependencies dec 2025 #3299 — Bumps transformers dependency to a nearby patch version (4.57.3)
• upgrade transformers to 4.57.0 #3201 — Upgrades transformers dependency in requirements.txt to a different patch version

Suggested reviewers

• NanoCode012
• SalmanMohammadi

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The pull request title 'upgrade transformers to 4.57.5' accurately and concisely describes the main change in the changeset, which is a version bump of the transformers dependency.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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Actionable comments posted: 1

🤖 Fix all issues with AI agents

In `@requirements.txt`:
- Line 16: The requirements entry pins a non-existent PyPI release
"transformers==4.57.5"; update the requirements.txt line that currently reads
"transformers==4.57.5" to "transformers==4.57.3" so pip install -r
requirements.txt uses the valid PyPI release.

📜 Review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between d282f32 and da1807a.

📒 Files selected for processing (1)

• requirements.txt

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (7)

• GitHub Check: PyTest (3.11, 2.8.0)
• GitHub Check: PyTest (3.11, 2.9.0)
• GitHub Check: PyTest (3.11, 2.9.1)
• GitHub Check: PyTest from Source Dist (3.11, 2.8.0)
• GitHub Check: PyTest from Source Dist (3.11, 2.9.1)
• GitHub Check: PyTest from Source Dist (3.11, 2.9.0)
• GitHub Check: test-axolotl-multigpu (128, 12.8.1, 3.11, 2.9.1, fbgemm-gpu, 2, true)

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⚠️ Potential issue | 🔴 Critical

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Check if transformers 4.57.5 exists on PyPI
echo "=== Checking PyPI for transformers versions ==="
pip index versions transformers 2>&1 | grep -E "Available versions:" -A 30

echo ""
echo "=== Attempting to download transformers 4.57.5 (without installing) ==="
pip download --no-deps transformers==4.57.5 -d /tmp/test_download 2>&1

echo ""
echo "=== Checking if download was successful ==="
ls -la /tmp/test_download/ 2>&1 || echo "Download directory not found or is empty"

Repository: axolotl-ai-cloud/axolotl

Length of output: 154

---

🌐 Web query:

transformers 4.57.5 site:pypi.org

💡 Result:

I couldn't find a PyPI release for transformers version 4.57.5. The latest transformers release listed on PyPI in my search is 4.57.3. [1]

Sources:
[1] transformers on PyPI (release files and history).

---

🌐 Web query:

transformers package versions pypi 4.57.4 4.57.5

💡 Result:

As of Jan 14, 2026: PyPI does not have transformers 4.57.4 or 4.57.5 — the latest 4.x release listed on PyPI is 4.57.3. [1][3] Conda-forge does show a 4.57.5 build (package channel), so 4.57.5 exists there but not on PyPI. [2]

Sources:

• PyPI transformers project (release listing). [1]
• conda-forge transformers files (shows 4.57.5). [2]
• Hugging Face / transformers GitHub releases (notes latest 4.x / v5 RC context). [3]

---

Replace transformers==4.57.5 with transformers==4.57.3.

Version 4.57.5 does not exist on PyPI (the default package repository for pip). The latest 4.57.x version available on PyPI is 4.57.3. Installing this will fail when running pip install -r requirements.txt.

While 4.57.5 does exist on conda-forge, requirements.txt should use versions available on PyPI.

🤖 Prompt for AI Agents

In `@requirements.txt` at line 16, The requirements entry pins a non-existent PyPI
release "transformers==4.57.5"; update the requirements.txt line that currently
reads "transformers==4.57.5" to "transformers==4.57.3" so pip install -r
requirements.txt uses the valid PyPI release.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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