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Use transformers v5.5-release branch and pin to 5.5.0 (#4786)

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The v5.5-release branch now exists on huggingface/transformers.
Use transformers==5.5.0 for all install paths and
git+transformers.git@v5.5-release for the MLX installer.

Also bumps huggingface_hub from 1.7.1 to 1.8.0 in setup.sh and
setup.ps1 to stay consistent.
This commit is contained in:
Daniel Han 2026-04-02 09:10:02 -07:00 • committed by GitHub
commit a241c58d84
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3 changed files with 4 additions and 4 deletions
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2
install_gemma4_mlx.sh
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@ -133,7 +133,7 @@ uv pip install --python "$_VENV_PY" -q mlx mlx-lm 2>/dev/null
substep "done"
TRANSFORMERS_WHL="transformers-5.5.0-py3-none-any.whl"
TRANSFORMERS_GH="git+https://github.com/huggingface/transformers.git@91b1ab1fdfa81a552644a92fbe3e8d88de40e167"
TRANSFORMERS_GH="git+https://github.com/huggingface/transformers.git@v5.5-release"
step "install" "installing transformers>=5.5.0..."
if uv pip install --python "$_VENV_PY" -q "$TRANSFORMERS_GH" 2>/dev/null; then

2
studio/setup.ps1
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@ -1551,7 +1551,7 @@ if (Test-Path $VenvT5Dir) { Remove-Item -Recurse -Force $VenvT5Dir }
New-Item -ItemType Directory -Path $VenvT5Dir -Force | Out-Null
$prevEAP_t5 = $ErrorActionPreference
$ErrorActionPreference = "Continue"
foreach ($pkg in @("transformers==5.3.0", "huggingface_hub==1.7.1", "hf_xet==1.4.2")) {
foreach ($pkg in @("transformers==5.5.0", "huggingface_hub==1.8.0", "hf_xet==1.4.2")) {
if ($script:UnslothVerbose) {
Fast-Install --target $VenvT5Dir --no-deps $pkg
$t5PkgExit = $LASTEXITCODE

4
studio/setup.sh
View file

@ -459,8 +459,8 @@ if [ "$_SKIP_PYTHON_DEPS" = false ]; then
# at runtime (slow, ~10-15s), we pre-install into a separate directory.
# The training subprocess just prepends .venv_t5/ to sys.path -- instant switch.
mkdir -p "$VENV_T5_DIR"
run_quiet "install transformers 5.x" fast_install --target "$VENV_T5_DIR" --no-deps "transformers==5.3.0"
run_quiet "install huggingface_hub for t5" fast_install --target "$VENV_T5_DIR" --no-deps "huggingface_hub==1.7.1"
run_quiet "install transformers 5.x" fast_install --target "$VENV_T5_DIR" --no-deps "transformers==5.5.0"
run_quiet "install huggingface_hub for t5" fast_install --target "$VENV_T5_DIR" --no-deps "huggingface_hub==1.8.0"
run_quiet "install hf_xet for t5" fast_install --target "$VENV_T5_DIR" --no-deps "hf_xet==1.4.2"
run_quiet "install tiktoken for t5" fast_install --target "$VENV_T5_DIR" "tiktoken"
step "transformers" "5.x pre-installed"