sympy/sympy — pull request #2606 by zanzibar7 (2013-11-17 23:57:06+00:00)
Title: Raise correct error for issue 1015

When doing Limit((1+x/(n+sin(n)))**n,n,oo).doit()
we raises an error instead of returning the wrong answer.

Now, 1**oo == nan instead of 1.