From 2cda0afd89534f1cd1fce224c2e8ac159b8e1513 Mon Sep 17 00:00:00 2001
From: MinchinWeb <w_minchin@hotmail.com>
Date: Wed, 29 Jan 2020 08:13:40 -0700
Subject: [PATCH] [Travis] manually upgrade virtualenv

to fix issues with dev version of Python 3.9
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 8219d49a..f49500b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ git:
 
 before_install:
   - date
+  - pip install --upgrade virtualenv
 
 install:
   - pip install poetry~=0.12.17