def modified_lines_from_diff(self, diff):
from pep8radius.diff import modified_lines_from_udiff<EOL>for start, end in modified_lines_from_udiff(diff):<EOL><INDENT>yield start, end<EOL><DEDENT>
Returns the changed lines in a diff.

        - Potentially this is vc specific (if not using udiff).

        Note: this returns the line numbers in descending order.