Microsoft (R) Program Maintenance Utility Version 14.30.30709.0
Copyright (C) Microsoft Corporation.  All rights reserved.

The system cannot find the file specified.
Traceback (most recent call last):
  File "setup.py", line 24, in <module>
    long_description=readme(),
  File "setup.py", line 18, in readme
    with open('README.rst', "r", encoding="utf-8") as f:
FileNotFoundError: [Errno 2] No such file or directory: 'README.rst'
NMAKE : fatal error U1077: 'E:\builds\Python37\python.exe' : return code '0x1'
Stop.