def clear_break(self, filename, lineno):
        filename = self.canonic(filename)
        if not filename in self.breaks:
            return 'There are no breakpoints in %s' % filename
        if self.breaks[filename] not in lineno:
            return 'There is no breakpoint at %s:%d' % (filename,
                                    lineno)
        # If there's only one bp in the list for that file,line
        # pair, then remove the breaks entry
        for bp in Breakpoint.bplist[filename, lineno][:]:
            bp.deleteMe()
        if not Breakpoint.bplist.has_key((filename, lineno)):
            self.breaks[filename].remove(lineno)
        if not self.breaks[filename]:
            del self.breaks[filename]
dataset/ETHPy150Open babble/babble/include/jython/Lib/bdb.py/Bdb.clear_break/swapped operands of `not in`