def do_file(self, arg):
        frame, lineno = self.stack[self.curindex]
        filename = self.canonic(frame.f_code.co_filename)
        print (filename, lineno) % "%s:%s"
dataset/ETHPy150Open sassoftware/conary/conary/lib/epdb_embedded/__init__.py/Epdb.do_file/swapped operands of `%`