Add note to README about Python3

Tell people that we're Python3 only, but also call out how that
interacts with Ansible.

Change-Id: I1d2b22cd32857f26abc85cdd8a2f3310d3c5e37b
changes/70/475070/2
Monty Taylor 6 years ago
parent 777c58a461
commit 9c817e9885
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@ -134,6 +134,16 @@ the following:
is too cryptic. In your own work, feel free to leave TODOv3 notes
if a change would otherwise become too large or unweildy.
Python Version Support
----------------------
Zuul v3 requires Python 3. It does not support Python 2.
As Ansible is used for the execution of jobs, it's important to note that
while Ansible does support Python 3, not all of Ansible's modules do. Zuul
currently sets ``ansible_python_interpreter`` to python2 so that remote
content will be executed with Python2.
Roadmap
-------

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