[BE] Fix python docs typos up till torch.chunk (#86642)
Was doing the Views lab linked https://github.com/pytorch/pytorch/wiki/Tensor-and-Operator-Basics and noticed a few typos, which led to this PR.
Test plan:
verified in preview
Pull Request resolved: https://github.com/pytorch/pytorch/pull/86642
Approved by: https://github.com/soulitzer
