Fixit is currently being rebuilt for better performance and configurability. You most likely want to see the stable docs or the stable branch.
Install Fixit from PyPI:
$ pip install fixit
See lints and suggested changes for a set of source files:
$ fixit lint <paths>
Apply suggested changes on those same files automatically:
$ fixit fix <paths>
For more details, see the user guide.
Fixit is MIT licensed, as found in the LICENSE file.