Prefer () to continue line per PEP8

There were some long lines that were split using \ rather than ().
PEP8 recommends using () --
http://legacy.python.org/dev/peps/pep-0008/#maximum-line-length

Change-Id: I8e140e507d0d9991094be13ebafa7fc700c1a02e
Merge "Prefer () to continue line per PEP8"