升级
yum upgrade
pip3 upgrade
yum install -y gcc python34-devel mysql-devel
pip3 install -r p/requirements-version.txt
wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz
tar -xvf Python-3.6.8.tgz
./configure
make install
/usr/local/bin/
which python3
which pip3
pip3 install -r path/requirements-version.txt
Reference Guide — virtualenv 16.7.7 documentation https://virtualenv.pypa.io/en/latest/reference/