modify mysql host info

Author: zxyle

tests/test_mysql.py

@@ -6,7 +6,7 @@
 
 from crudlib import MySQL
 
-uri = "mysql+pymysql://root:root@mysql:3306/mysql?charset=utf8mb4"
+uri = "mysql+pymysql://root:root@localhost:3306/mysql?charset=utf8mb4"
 my = MySQL(uri, debug=True)
 my.create_db("test")
 my.connection.db = "test"