From 08e7e3f692c4186dc68ebd10cdc0bae433c0a239 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ely=C3=A9zer=20Rezende?= <elyezermr@gmail.com>
Date: Thu, 11 Feb 2021 07:32:43 -0800
Subject: [PATCH] Require future-annotations on Python <3.7
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In order to use `from __future__ import annotations` on Python 3.6 we need to install the future-annotations package.

Fix #42

Signed-off-by: Elyézer Rezende <elyezermr@gmail.com>
---
 setup.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 788b54f..cb97418 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,11 @@
 # Do not change the variable name.  It's parsed by doc/conf.py script.
 version = '0.1.7'
 
-requires = ['Sphinx >= 1.2', 'six']
+requires = [
+    'future-annotations;python_version<"3.7"',
+    'Sphinx >= 1.2',
+    'six'
+]
 
 
 def readme():