From b0797b4c6eef64c494be9b567524d2844fd59504 Mon Sep 17 00:00:00 2001
From: Anthony Sottile <asottile@umich.edu>
Date: Sun, 7 Feb 2016 10:36:17 -0800
Subject: [PATCH] Workaround pypa/pip#3461

---
 .travis.yml          | 4 +++-
 requirements-dev.txt | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 057829d3..b98f2a78 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,9 @@ env: # These should match the tox env list
     - TOXENV=pypy
     - TOXENV=pypy3
     - TOXENV=py27 LATEST_GIT=1
-install: pip install coveralls tox
+# latest virtualenv combined with downgrading setuptools = sadness
+# https://github.com/pypa/pip/issues/3461
+install: pip install coveralls tox 'virtualenv<14'
 script: tox
 # Special snowflake.  Our tests depend on making real commits.
 before_install:
diff --git a/requirements-dev.txt b/requirements-dev.txt
index c44b676a..066be771 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -9,3 +9,7 @@ pytest
 
 # setuptools breaks pypy3 with extraneous output
 setuptools<18.5
+
+# latest virtualenv combined with downgrading setuptools = sadness
+# https://github.com/pypa/pip/issues/3461
+virtualenv<14