From 530329c9103d1b01c30ac3f78959b65b0526831f Mon Sep 17 00:00:00 2001
From: Graham Dumpleton <Graham.Dumpleton@gmail.com>
Date: Tue, 18 Jun 2019 10:42:40 +1000
Subject: [PATCH] Attempt to update pip/setuptools/wheel before running tox to
 avoid issues with older versions.

---
 appveyor.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/appveyor.yml b/appveyor.yml
index 1ac46541..55a1f8d0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -22,4 +22,5 @@ install:
 build: false
 
 test_script:
+  - "%PYTHON%/Scripts/pip install -U pip"
   - "%PYTHON%/Scripts/tox -e %TOX_ENV%"