修改__init__.py内的__all__属性

bin/db/__init__.py

@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+# -- coding:utf-8 --
+# @Author: markushammered@gmail.com
+# @Development Tool: PyCharm
+# @Create Time: 2022/2/4
+# @File Name: __init__.py.py
+
+
+__all__ = ['db']