Fix some new PEP8 errors found at gate

This patch removes the 'author' tag which now fails to pass PEP8 tests
and also adds some missing newlines in source files. These newly found
PEP8 errors are blocking us from merging code.

Change-Id: Ib5c4c043c1df5cd980e09d26d130150b2e6d64c2
1 file changed
tree: 10ef1eff51ceb2217f7c691f8bbd4848714b5def
  1. common/
  2. functional/
  3. scenario/