Re: review of Chris' 1766

I just fixed py.test, the results are attached. They should be more useful that bin/test's results. Note that there are some failures related to py.test. Vinzent 2010/4/30 Aaron S. Meurer asmeu...@gmail.com: The failures are 64-bit only: 32-bit:

[PATCH] Fix missing brackets in latex output of (-1)**x

Before: -1^{x} Now: \left(-1\right)^{x} Added a test --- sympy/printing/latex.py|3 ++- sympy/printing/tests/test_latex.py |3 +++ 2 files changed, 5 insertions(+), 1 deletions(-) diff --git a/sympy/printing/latex.py b/sympy/printing/latex.py index