Error on installing awscli in 64 bit windows 10 and Python 3.7

I have tried both msi and pip installation for awscli for windows 10, python 3.7. I am getting the error

'File "C:\Program Files\Python37\Scripts\aws.cmd", line 50, in

import awscli.clidriver

ModuleNotFoundError: No module named 'awscli''.

The pip installations I tried were pip install awscli,

pip install awscli --upgrade --user. All of them were giving the same error. Can anybody help me with this?

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