Python 2.7, 3.4, and 3.5 is being deprecated for the AWS CLI version 1. For more information see the AWS CLI version 1 section of About the AWS CLI versions.
Installing, updating, and uninstalling the AWS CLI
The AWS Command Line Interface (AWS CLI) is available in version 1 and version 2. For more information on each version, see About the AWS CLI versions
For instructions on installing, updating, and uninstalling the AWS CLI, select your version:
Versions