Python and PEP8 - Recommendations on breaking up long lines?

[Chris Angelico]

On Thu, Nov 28, 2013 at 5:12 PM, Jussi Piitulainen
<jpiitula at ling.helsinki.fi> wrote:
>                      if ( os.path.join(root, file)
>                           not in previously_processed_files and
>                           os.path.join(root, file)[:-3]
>                           not in previously_processed_files ):

Eww, don't like this. The indentation puts the two halves of the
condition on equal footing, which they're not.

ChrisA