<filename>mysql_tool/__init__.py
from mysql_tool.sql_connect_tool import SqlTool, DBTool
from mysql_tool.sql_connect_tool import is_db_exist, is_table_exist
<filename>mysql_tool/__init__.py
from mysql_tool.sql_connect_tool import SqlTool, DBTool
from mysql_tool.sql_connect_tool import is_db_exist, is_table_exist