Don't use "\" for long lines. Wrap the code inside parenthesis.

http://www.python.org/dev/peps/pep-0008/#maximum-line-length

Also, when indenting parentheses use the updated styleguide http://styleguide.chevah.com/python.html#multi-line-indentation :)

Diff here: https://github.com/chevah/styleguide/commit/400ccea02eb80f1f363b881016e793872e974ab8