From 0ef4b3a6c043328d42c493ecbd22f80bd870ad14 Mon Sep 17 00:00:00 2001
From: Roman Miroshnychenko <roman1972@gmail.com>
Date: Tue, 9 Jan 2018 16:04:48 +0200
Subject: [PATCH] Use future.iterkeys to iterate over dict keys

---
 main.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/main.py b/main.py
index 55e5ca9..836cf11 100644
--- a/main.py
+++ b/main.py
@@ -14,6 +14,7 @@ from __future__ import unicode_literals
 # Monkey-patch standard libary names to enable Python 3-like behavior
 from future import standard_library
 standard_library.install_aliases()
+from future.utils import iterkeys
 # The above strings provide compatibility layer for Python 2
 # so the code can work in both versions.
 # In Python 3 they do nothing and can be safely removed.
@@ -98,7 +99,7 @@ def get_categories():
     :return: The list of video categories
     :rtype: types.GeneratorType
     """
-    return VIDEOS.keys()
+    return iterkeys(VIDEOS)
 
 
 def get_videos(category):