Fix evolution save win32

This should resolve issue #467.
Yes, sure, no need to hold up the PR for the blank lines, it was just something I noticed.

PEP8 says 'Use blank lines in functions, sparingly, to indicate logical sections.'.

I know it's a matter of taste, and I'm not generally a huge PEP8 person, but lots of blank lines does look distracting to me, makes it harder to follow the flow.