From 8ab7d239fadaa8bd35980b6412000643f5a39232 Mon Sep 17 00:00:00 2001
From: Chris Hunt <chrahunt@gmail.com>
Date: Tue, 26 Nov 2019 21:36:40 -0500
Subject: [PATCH] Use pip 19.3.1+ for vendoring task

---
 tox.ini | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tox.ini b/tox.ini
index 30eb193dd3d..de1263fc47c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -53,6 +53,9 @@ commands_pre =
 deps =
     invoke
     requests
+    # Required, otherwise we interpret --no-binary :all: as
+    # "do not build wheels", which fails for PEP 517 requirements
+    pip>=19.3.1
 whitelist_externals = git
 commands =
     # Check that the vendoring is up-to-date