def set_break(self, filename, lineno, temporary=0, cond = None,
                  funcname=None):
        filename = self.canonic(filename)
        import linecache # Import as late as possible
        line = linecache.getline(filename, lineno)
        if not line:
            return 'Line %s:%d does not exist' % (filename,
                                   lineno)
        if not self.breaks in filename:
            self.breaks[filename] = []
        list = self.breaks[filename]
        if not lineno in list:
            list.append(lineno)
        bp = Breakpoint(filename, lineno, temporary, cond, funcname)
dataset/ETHPy150Open babble/babble/include/jython/Lib/bdb.py/Bdb.set_break/swapped operands of `in`