From 6b4d7674b5292a25895cc20b702f5ddd3977b47e Mon Sep 17 00:00:00 2001
From: Andriy Zasypkin <AndriyZasypkin@gmail.com>
Date: Tue, 16 Jan 2018 09:30:26 -0500
Subject: [PATCH] use isinstance instead of type

---
 cps/web.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cps/web.py b/cps/web.py
index 8d00ad53..27f5ce65 100755
--- a/cps/web.py
+++ b/cps/web.py
@@ -477,7 +477,7 @@ def yesno(value, yes, no):
 @app.template_filter('canread')
 @app.template_test('canread')
 def canread(ext):
-    if type(ext) == db.Data:
+    if isinstance(ext, db.Data):
         ext = ext.format
     return ext.lower() in READER_EXTENSIONS