#3702
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Ran 21 Oct 2026 11:31AM UTC

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Files 48

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Committed 21 Oct 2026 11:06AM UTC coverage: 88.748%. Remained the same

Build # #3702

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push

github

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web-flow

Commit Message

Say why a tensor-parameter `for` loop is refused (#1138)

* Say why a tensor-parameter `for` loop is refused

AutoGraph converts a `for` over a symbolic tensor to a `tf.while_loop`, so the loop doesn't raise as the comments claimed. The refusal stands because a body that mutates Python state may not stage faithfully. The comments now say so, and the test marks `iterate_param`'s refusal as conservative.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NTnpjPjJj2aZy1ZkUD1eAn

* Name every loop body a `tf.while_loop` can't stage

Mutating Python state is one of several such bodies. Changing a loop-carried value's dtype or shape, returning inside the loop, and converting an element to a Python value raise instead.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NTnpjPjJj2aZy1ZkUD1eAn

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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Coverage Stats

5324 of 5999 relevant lines covered (88.75%)

0.89 hits per line

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ID	Job ID	Ran	Files	Coverage
1	#3702.1	21 Oct 2026 11:31AM UTC	48	88.75

ponder-lab / Hybridize-Functions-Refactoring / #3702
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