[jrmccluskey]

Clean up tensorflow versions, add context for current restrictions. This should finish fixing the dependency post-commit and get most of the ML tests functioning again.

[github-actions]

📋 Review Summary

This PR updates the TensorFlow, TensorFlow Hub, and TensorFlow Transform dependency ranges and corresponding Tox/Gradle test environments to align with modern releases (tensorflow>=2.16.0,<2.22, tensorflow-hub>=0.16.1,<0.17, tensorflow-transform>=1.21.0,<1.22.0). It also resolves packaging compatibility issues with setuptools<82 and protobuf, and fixes an exception assertion in tensorflow_hub_test.py for portable runners.

🔍 General Feedback

• The dependency constraints, comments explaining transitive version requirements (such as protobuf, tf-keras, and setuptools<82), and synchronization between setup.py, tox.ini, and Gradle tasks are clear and well-structured.
• One minor cleanup opportunity in sdks/python/test-suites/tox/py312/build.gradle: def posargs = project.findProperty("posargs") ?: "" on line 25 is now unused after removing testPy312tensorflow-216 (similar to py313/build.gradle).

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.93%. Comparing base (a8d6afd) to head (0f85d5b).
⚠️ Report is 74 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #40752      +/-   ##
==========================================
- Coverage   80.04%   79.93%   -0.12%     
==========================================
  Files         490      493       +3     
  Lines       82916    83431     +515     
==========================================
+ Hits        66373    66688     +315     
- Misses      16543    16743     +200     

Flag	Coverage Δ
python	79.93% <ø> (-0.12%)	⬇️

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[github-actions]

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R: @shunping for label python.
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[shunping]

The Segmentation fault in YAML test seems to be a real problem. I suspect there are some incompatible deps here. Could you look into that?