我正在尝试flask-mysql在 ubuntu 18.04上安装，但不断收到此错误：
(base) ether@ether:~/Documents/loginsystem$ pip install flask-mysqldb
Collecting flask-mysqldb
Using cached https://files.pythonhosted.org/packages/62/e3/955c845efe1aacf30c8e2607470544ede36aa1044f6382c809f13e014104/Flask-MySQLdb-0.2.0.tar.gz
Requirement already satisfied: Flask>=0.10 in /home/ether/anaconda3/lib/python3.7/site-packages (from flask-mysqldb) (1.0.2)
Collecting mysqlclient (from flask-mysqldb)
Using cached https://files.pythonhosted.org/packages/d0/97/7326248ac8d5049968bf4ec708a5d3d4806e412a42e74160d7f266a3e03a/mysqlclient-1.4.6.tar.gz
Complete output from command python setup.py egg_info:
/bin/sh: 1: mysql_config: not found
/bin/sh: 1: mariadb_config: not found
/bin/sh: 1: mysql_config: not found
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-install-txlk8w2u/mysqlclient/setup.py", line 16, in <module>
metadata, options = get_config()
File "/tmp/pip-install-txlk8w2u/mysqlclient/setup_posix.py", line 61, in get_config …