执行pip install -r requirements.txt 报错

[LanLv07]

提示如下：
Running setup.py install for mysqlclient ... error
ERROR: Complete output from command /usr/bin/python -u -c 'import setuptools, tokenize;file='"'"'/private/var/folders/y_/h82y00gs07750nb_vf4zkcmr0000gq/T/pip-install-VKHv3N/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' install --record /private/var/folders/y_/h82y00gs07750nb_vf4zkcmr0000gq/T/pip-record-_eO6Mu/install-record.txt --single-version-externally-managed --compile:
ERROR: /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'long_description_content_type'

[hzlifeng1]

推荐在python3下运行，我的是python3.6