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chore(deps): update dependency transformers to v5 [security] - autoclosed #14176

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chore(deps): update dependency transformers to v5 [security] - autoclosed #14176

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2 changes: 1 addition & 1 deletion dataflow/run-inference/requirements.txt
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Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
apache-beam[gcp]==2.49.0
torch==2.2.2
transformers==4.38.0
transformers==5.0.0
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@gemini-code-assist gemini-code-assist Bot May 13, 2026

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Updating to transformers v5.0.0 is a major version upgrade that introduces breaking changes affecting main.py.

  • Broken Import: The import from transformers.tokenization_utils import PreTrainedTokenizer in main.py (line 31) will fail as this class has been renamed to PythonBackend and the internal module structure has changed. Use from transformers import PreTrainedTokenizerBase for type hinting instead.
  • Decoding Behavior: The tokenizer.decode method (used in main.py:58) now returns a list of strings when passed a 2D input. While RunInference typically yields 1D slices, you should verify that the output remains a string to avoid breaking downstream logic like .encode("utf-8") on line 138.

Consider updating main.py to be compatible with v5 or, if a major migration is not desired, updating to the latest v4 release (e.g., 4.53.0) which includes the security fixes.