clean up pep8 violations.
remove pep8 violations
take out pep8 violations.
take out pep8 violations
take out pep8 violations
take out pep8 violations
take out pep8 violations
take out pep8 violations
take out pep8 violations
take out pep8 violations.
take out pep8 violations.
take out pep8 violations.
take out pep8 violations
take out pep8 violations
take out pep8 violations.
take pep8 violations
take out pep8 violations
take out pep8 violation
Merge pull request #1279 from lowks/master

Take out pep8 some violations.