This is a plugin to run the autopep8 python linter from within spyder editor.
Put the files p_autopep8.py and images/autopep8.png in the directory spyderplugins/ from the spyder installation.
For example on Linux this should be /usr/lib/python2.7/dist-packages/spyderplugins/ or equivalent.
Press Shift+F8 (default) to run autopep8 on the current file or go to Source > Run autopep8 code autoformatting.
If some text is selected, autopep8 will run on this text only.
Informations about the execution will be displayed in the statusbar.