Change-Id: I475a082af0660e0ee0e86ca4cd1bf0e2d711e3ed
Fix some pep8 issues in doc/source/conf.py and tests/test_shell.py make the code looks pretty. Change-Id: I927f03aff4190f1ac30eb56e7c545de555978c31
* use unittest2 * shell: command-line options Change-Id: I558fb10b8607e4f6e5c44d5fcac902546a8748a4