From e13eb5ef69a524219a3ddfb2142c54006f60d8a5 Mon Sep 17 00:00:00 2001
From: Marius Gedminas <marius@gedmin.as>
Date: Tue, 15 Oct 2019 12:38:07 +0300
Subject: [PATCH] Modernize appveyor.yml

1. Make sure the Python I want to use exists
2. Make sure we don't use outdated virtualenv/pip/setuptools
---
 appveyor.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/appveyor.yml b/appveyor.yml
index c9a17e1..dc08606 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,8 +14,10 @@ init:
   - "echo %PYTHON%"
 
 install:
+  - ps: if (-not (Test-Path $env:PYTHON)) { throw "No $env:PYTHON" }
   - "set PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
   - python --version
+  - pip install -U virtualenv  # upgrade pip in tox's virtualenvs
   - pip install tox
 
 build: off