def get_line_data(self):
if self.branch:<EOL><INDENT>line_data = {}<EOL>for f, arcs in self.data.items():<EOL><INDENT>line_data[f] = ldf = {}<EOL>for l1, _ in list(arcs.keys()):<EOL><INDENT>if l1:<EOL><INDENT>ldf[l1] = None<EOL><DEDENT><DEDENT><DEDENT>return line_data<EOL><DEDENT>else:<EOL><INDENT>return self.data<EOL><DEDENT>
Return the line data collected.

        Data is { filename: { lineno: None, ...}, ...}