More recent versions of pep8 check for the indentation level of closing
parenthesis in a way that is incompatible with the way we use in our code. Our
style is still pep8 compliant, and was re-allowed in even more recent versions
of the tool, but still we have to disable the check, for the time being.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>