pylint/graph.py
def get_source(self):
        """returns self._source"""
        if self._source is None:
            self.emit("}\n")
            self._source = "\n".join(self.lines)
            del self.lines
        return self._source
def get_source(self):
        """returns self._source"""
        if self._source is None:
            self.emit("}\n")
            self._source = "\n".join(self.lines)
            del self.lines
        return self._source
returns self._source