From 1a48f1b70d0b479c535f362ecc1e58b4a0c1c913 Mon Sep 17 00:00:00 2001
From: Liuyang Wan <tsfdye@gmail.com>
Date: Fri, 10 Jul 2020 10:14:08 +0800
Subject: [PATCH] Pin typing==3.7.4.1 for Python 3.3 compatiblity

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 4b74e8d2..1be7fac8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,6 +26,7 @@ matrix:
       sudo: required  # required for Python 3.7 (travis-ci/travis-ci#9069)
 
 install:
+  - pip install typing==3.7.4.1  # required for Python 3.3
   - pip install tox==2.9.1
   - pip install virtualenv==15.2.0
   - pip install py==1.4.30