a1d6618 Update minimal requirement of six to >= 1.16.0

Authored and Committed by ykarel 2 years ago
    Update minimal requirement of six to >= 1.16.0
    
    urllib3-1.26.5 to work properly needs six to be
    atleast >= 1.16.0. So to ensure when urllib3 is installed
    already installed python3-six is upgraded let's set minimum
    requirement of six to >= 1.16.0[1] which contains required methods like
    six.ensure_text method needed by urllib3-1.26.5, also urllib3
    bundles six-1.16.0[2].
    
    [1] https://github.com/urllib3/urllib3/commit/5b047b
    [2] https://github.com/urllib3/urllib3/commit/2698537
    
        
file modified
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