Require all tuples in eachindex to have the same length. (#48125)
Potential fix for #47898
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Co-authored-by: navdeep rana <navdeepr@tifrh.res.in>
Co-authored-by: Oscar Smith <oscardssmith@gmail.com>
Co-authored-by: Jerry Ling <proton@jling.dev>
Co-authored-by: Andy Dienes <51664769+adienes@users.noreply.github.com>
