From 3f14a485d3e6803d6257d947f508f0eabb35fa1c Mon Sep 17 00:00:00 2001
From: Guangchao <gwang@brandttechnologies.com>
Date: Fri, 17 Aug 2018 15:19:29 +0800
Subject: [PATCH] Lib ruamel.yaml version 0.15.55 will caused
 typing.Sequence[str] unsupported in option.

Baseed on release note of recent version 0.15.55 ruamel.yaml, it unmade CommentedSeq a subclass of list.
This will cause the sequence parsed from yaml cannot be set to option whose type is typing.Sequence[str].
---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 65619e8ae..7c6eb09f5 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ setup(
         "pyOpenSSL>=17.5,<18.1",
         "pyparsing>=2.1.3, <2.3",
         "pyperclip>=1.6.0, <1.7",
-        "ruamel.yaml>=0.13.2, <0.16",
+        "ruamel.yaml>=0.13.2, <0.15.55",
         "sortedcontainers>=1.5.4,<2.1",
         "tornado>=4.3,<5.2",
         "urwid>=2.0.1,<2.1",