pip3有requests 为啥 我import说没有，求教

问题描述：

Python 3.7.4 (default, Jul 14 2019, 18:21:55) 
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import requests
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'requests'
>>> ^Z
[8]+  Stopped                 python3
root@miaowo:~/stephen/geetest/Lengyue-Vcode/滑动验证码/Geetest# python3 --version
Python 3.7.4
root@miaowo:~/stephen/geetest/Lengyue-Vcode/滑动验证码/Geetest# pip3 list
Package    Version  
---------- ---------
certifi    2019.6.16
chardet    3.0.4    
idna       2.8      
pip        19.2.3   
requests   2.22.0   
setuptools 39.0.1   
urllib3    1.25.3   

问题描述由babel6和webpack3升级到babel7 和webpack4 后配置@babel/plugin-s ...