From 87fd1418b535bc80f5c3dc4cae3099802cf26a5c Mon Sep 17 00:00:00 2001
From: "Nathaniel J. Smith" <njs@pobox.com>
Date: Tue, 24 Jul 2018 20:32:55 -0700
Subject: [PATCH] Attempt to work around a weird issue with the docs build

---
 ci/rtd-requirements.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ci/rtd-requirements.txt b/ci/rtd-requirements.txt
index 67898ba..ea59c6b 100644
--- a/ci/rtd-requirements.txt
+++ b/ci/rtd-requirements.txt
@@ -2,3 +2,6 @@
 sphinx >= 1.6.1
 sphinx_rtd_theme
 sphinxcontrib-trio
+# Workaround for this weird issue:
+# https://travis-ci.org/python-trio/pytest-trio/jobs/407495415
+attrs >= 17.4.0