Drop python 3.5 support - EOL -

[David Martin]

Python 3.5 will reach its "end of life" at the end of September 2020.

We shall consider upgrading minimal version to python 3.6.

cc chaostoolkit/chaostoolkit-lib#187

[glsutter]

Didn't see a question about Python version in the repo. Does Chaos Toolkit require Python 3.5, or does it also work with later versions?

[David Martin]

CTK currently works with Python 3.5+ ie nothing is blocking from using it with a more recent python version,
unless you need an extensions that specifically requires py 3.5

[Sylvain Hellegouarch]

Pinning chaoslib to strictly less than 1.19.0 as it'll be the last one supporting Python 3.5

[Sylvain Hellegouarch]

Last release with Python 3.5 support is now 1.8.1