This is due to me. Sorry.
Somehwere internally PowerSimplify is used which assumes all variables are real. Maybe this assumption is not correct in general, of course. I mentioned this to Vladyslav and he will look into how to fix this. Sorry, but I have no time right now.
This archive was generated by hypermail 2b29 : 11/22/17-04:40:02 AM Z CET