split venv_t5 into tiered 5.3.0/5.5.0 and fix trust_remote_code#4878
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…emote_code auto-enable for native t5 models
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This reverts commit fb43d46.
…idia namespace guard" This reverts commit fc49ae2.
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Summary
.venv_t5(transformers 5.5.0) into.venv_t5_530(5.3.0) and.venv_t5_550(5.5.0)Gemma4ForConditionalGenerationarchitecture ormodel_type: gemma4) in addition to substring matchingget_transformers_tier()API returns"550","530", or"default"trust_remote_codeauto-enable to Nemotron models only — previously it was set toTruefor allunsloth/*transformers 5.x models (introduced in studio: improve onboarding UX, tooltips, and training defaults #4355, partially fixed for Gemma 4 in fix(studio): don't set trust_remote_code for Gemma 4 training #4795), which bypasses the compiler and disables fused cross-entropy. This fixed Qwen3.5-2b on colab T4. Credits to @mmathew23 for pointing this one out.Resolves #4873
Test plan
./install.sh --localcreates both.venv_t5_530and.venv_t5_550with correct versionstest_transformers_version.py)