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[GH-ISSUE #1240] Function base class uses _grad_fn but Tensor doesn't have it yet in Module 06 Autograd #1741

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opened 2026-04-11 08:06:24 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-04-11 08:06:24 -05:00
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Originally created by @uday2005 on GitHub (Mar 15, 2026).
Original GitHub issue: https://github.com/harvard-edge/cs249r_book/issues/1240

While going through Module 06, I noticed that the Function base class checks for _grad_fn on tensors inside init, but the Tensor class at this point in the curriculum has no _grad_fn attribute at all and I checked the next two module
as well and there is no mention anywhere of making changes to the Tensor class to add this attribute.

Originally created by @uday2005 on GitHub (Mar 15, 2026). Original GitHub issue: https://github.com/harvard-edge/cs249r_book/issues/1240 While going through Module 06, I noticed that the Function base class checks for _grad_fn on tensors inside __init__, but the Tensor class at this point in the curriculum has no _grad_fn attribute at all and I checked the next two module as well and there is no mention anywhere of making changes to the Tensor class to add this attribute.
GiteaMirror added the type: bugarea: book labels 2026-04-11 08:06:24 -05:00
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Reference: github-starred/cs249r_book#1741