From d496229f13b256f71e9faa2ce66e1c9d0c104d01 Mon Sep 17 00:00:00 2001
From: Eric Fried <openstack@fried.cc>
Date: Wed, 27 Nov 2019 13:39:42 -0600
Subject: [PATCH] Set ignore_basepython_conflict (fixes confusing pep8 message)

Automatic envs (pyXX) will only use the python version appropriate to
that env and ignore basepython inherited from [testenv] if we set
ignore_basepython_conflict.

The lack thereof was causing pep8 jobs in the gate to output lines like:

   pep8: skipped tests
   congratulations :)
 /usr/local/lib/python3.6/dist-packages/tox/config/__init__.py:582: UserWarning: conflicting basepython version (set 3.6, should be 3.7) for env 'py37';resolve conflict or set ignore_basepython_conflict
   proposed_version, implied_version, testenv_config.envname

...despite the fact that the job was actually running.

Change-Id: Icb5281756d77117fb28139b9cc720b055e481290
---
 tox.ini | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tox.ini b/tox.ini
index 1850b2a4..a9143363 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,6 +2,10 @@
 minversion = 2.0
 envlist = py36,py37,pep8
 skipsdist = True
+# Automatic envs (pyXX) will only use the python version appropriate to that
+# env and ignore basepython inherited from [testenv] if we set
+# ignore_basepython_conflict.
+ignore_basepython_conflict = True
 
 [testenv]
 usedevelop = True