OK, the details of the two different answers are in the commit message. This is a real issue.
https://github.com/sympy/sympy/pull/1616 commit titled TODO check Kane test -- You received this message because you are subscribed to the Google Groups "sympy" group. To view this discussion on the web visit https://groups.google.com/d/msg/sympy/-/xuOn44LQ2vIJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
