pygame is not updated. What to do?

Question

Python

Hello.
Can't update Pygame says
Continuing With "setup.py"
Error with the "Setup" file,
perhaps make a clean copy from "Setup.in".
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\user\AppData\Local\Temp\pycharm-packaging\pygame\setup.py", line 165, in
extensions = read_setup_file( 'Setup')
File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\distutils\extension.py", line 171, in read_setup_file
line = expand_makefile_vars(line, vars)
File "C :\Users\user\AppData\Local\Programs\Python\Python36-32\lib\distutils\sysconfig.py", line 407,
s = s[0:beg] + vars.get(m.group(1)) + s[end:]
TypeError: must be str, not NoneType
tell me how to fix it???