Python TypeError: get_logger() missing 1 required positional argument: 'self'
Python 调用类时，提示缺乏self参数blog
调用类方法时，须要加上一个小括号，修改成：logger = Logger().get_logger()后，运行正常，没有报错。
加了一个小括号以后，表示咱们队该类进行了实例化了。get
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