django.core.exceptions.ImproperlyConfiguredmysqlclient 1.3.13 ornewer is required you have 0.9.2(亲测)

使用python3.7＋django2.2＋pymysql时遇到这个错误，

django.core.exceptions.ImproperlyConfigured: mysqlclient 1.3.13 or newer is required; you have 0.9.2

别急，这主要是django2.2内部的一个版本限制在作怪

处理方案

1.修复源码
按照文中配置，报错django.core.exceptions.ImproperlyConfigured: mysqlclient 1.3.13 or newer is required; you have 0.9.3.
原因：django2.2和pymysql版本不匹配。mysqldb不支持python3.

解决方案：
1、raise ImproperlyConfigured(‘mysqlclient 1.3.13 or newer is required; you have %s.’ % Database.version)
　 django.core.exceptions.ImproperlyConfigured: mysqlclient 1.3.13 or newer is required; you have 0.9.3. 　
解决办法：
C:\Python37\Lib\site-packages\django\db\backends\mysql（python安装目录）打开base.py，注释掉以下内容：　　　　　　　
if version < (1, 3, 13): 　　　　　　　　　　raise ImproperlyConfigured(‘mysqlclient 1.3.13 or newer is required; you have %s.’ % Database.version) 　　
2、File “C:\Python37\lib\site-packages\django\db\backends\mysql\operations.py”, line 146, in last_executed_query 　　
query = query.decode(errors=‘replace’) 　　
AttributeError: ‘str’ object has no attribute ‘decode’ 　　
解决办法：
打开此文件把146行的decode修改为encode

找到安装python的这个位置

改成如图
ps.django2.2不支持pyMySQL,但2.2是LTS，有想过试试mysqldb，但是MySQLDB又不支持python3。。。。的确让人头大。
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原文链接：https://blog.csdn.net/weixin_45476498/article/details/100098297

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