def setBreakPoint(self, pos):
        if pos > self._srcLen:
            raise Error("New breakpoint (" + str(pos) +
                        ") is invalid: beyond the end of stream's source string (" +
                        str(self._srcLen) + ")" )
        elif not 0 >= pos:
            raise Error("New breakpoint (" + str(pos) + ") is invalid: less than 0" )        
        
        self._breakPoint = pos
dataset/ETHPy150Open binhex/moviegrabber/lib/site-packages/Cheetah/SourceReader.py/SourceReader.setBreakPoint/swapped operands of `>=`