帮忙看下代码哪里有问题

来源：1-4 文件的创建与写入（下）

慕妹2590417

2021-08-03 21:47:25

class Open(object):
def _init__(self, path, mode='w', is_return=True):
self.path=path
self.mode=mode
self.is_return=is_return
def write(self, message):
try:
            f=open(self.path, mode=self.mode, encoding='utf-8')
if self.is_return:
if message.endswith('\n')：
                    message ='%s' % message
else:
                    message='%s\n' % message
            f.write(message)
except Exception as e:
print(e)
finally:
            f.close()

if __name__=='__main__':
    current_path=os.getcwd()
    open_path=os.path.join(current_path, 'file','b.txt')
    o=Open(open_path)
    o.write('你好，小慕')