You could as well say that Ruby is a one trick pony destined to have its lunch eaten by nodejs, or that Go can't stand the competition from Rust as a systems language. It's not easy to predict language evolution, and everything so far points towards python maintaining a healthy evolution rate and a quiet but dedicated user base.

I'd say python took the place that would today be Perl's, were it not for the whole Perl 6 fiasco, and that none of the supposed contenders actually vie for that exact spot,