C:\Users\51117>pip install requests
Traceback (most recent call last):
File "c:\users\51117\appdata\local\programs\python\python37\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "c:\users\51117\appdata\local\programs\python\python37\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\Users\51117\AppData\Local\Programs\Python\Python37\Scripts\pip.exe\__main__.py", line 5, in <module>
File "c:\users\51117\appdata\local\programs\python\python37\lib\site-packages\pip\_internal\__init__.py", line 4, in <module>
import locale
File "c:\users\51117\appdata\local\programs\python\python37\lib\locale.py", line 180, in <module>
_percent_re = re.compile(r'%(?:\((?P<key>.*?)\))?'
AttributeError: module 're' has no attribute 'compile'