From 3ae54c13f94b841ad8e31f5bcce16456404a4ce3 Mon Sep 17 00:00:00 2001
From: Glandos <bugs-github@antipoul.fr>
Date: Tue, 6 Apr 2021 22:49:49 +0200
Subject: [PATCH] Fix travis build with python3.6 (#734)

Upgrade pip **and** virtualenv, as mentioned in https://travis-ci.community/t/pip-install-cryptography-fails-on-py36/11233/4

Tox is building its own virtualenv, so the image from TravisCI might not be enough for pip to find the wheel.
---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 055334346..cc4db2b71 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,5 +6,7 @@ python:
   - "3.8"
   - "3.9"
 script: tox
+before_install:
+  - python -m pip install --upgrade pip virtualenv
 install:
   - pip install tox-travis