python3.7.3使用pip安装mysqldb报错，3.7.3后改为pymysql

(xiao) [python@python1 web]$ pip install mysqldb
Collecting mysqldb
Could not find a version that satisfies the requirement mysqldb (from versions: )
No matching distribution found for mysqldb
(xiao) [python@python1 web]$ pip install pymysql
Collecting pymysql
Downloading https://files.pythonhosted.org/packages/ed/39/15045ae46f2a123019aa968dfcba0396c161c20f855f11dea6796bcaae95/PyMySQL-0.9.3-py2.py3-none-any.whl (47kB)
100% |████████████████████████████████| 51kB 78kB/s
Installing collected packages: pymysql
Successfully installed pymysql-0.9.3