From f5d5a1311ff557760443257e713fa5df4c4acf97 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Mon, 13 May 2019 10:18:11 -0400
Subject: [PATCH] Maybe this is how you do quotes on Windows

---
 .appveyor.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.appveyor.yml b/.appveyor.yml
index cb240addf..8f1f3e0db 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -13,7 +13,7 @@ environment:
 
 install:
   - |
-    %PYTHON%\python.exe -m pip install -U 'pip<19'
+    %PYTHON%\python.exe -m pip install -U "pip<19"
     %PYTHON%\python.exe -m pip install wheel tox virtualenv
 
 # note: