From 14cb590b2964db652100aa46957e4f1894653491 Mon Sep 17 00:00:00 2001
From: Yosuke Mizutani <mogproj@gmail.com>
Date: Fri, 12 Apr 2019 21:35:23 -0400
Subject: [PATCH] Fix library versions for compatibility

---
 .travis.yml | 1 +
 setup.py    | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index f45a3ac..40159d9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ cache: pip
 
 install:
   - pip install coverage==3.7
+  - pip install idna==2.7
   - pip install coveralls
 
 script:
diff --git a/setup.py b/setup.py
index eac314e..40ec1b3 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@ def get_version():
     license='Apache 2.0 License',
     url='https://github.com/mogproject/javactl',
     install_requires=[
-        'pyyaml',
+        'pyyaml' + (' < 4' if sys.version_info[:2] == (3, 2) else ' < 5'),
         'six',
         'mog-commons',
     ],