From 7b8894fe5958275e6e5c2348ac40c91c48c49f9c Mon Sep 17 00:00:00 2001
From: Ashley Teoh <atq203@nyu.edu>
Date: Fri, 30 Mar 2018 13:43:38 -0400
Subject: [PATCH] disable cache and etag

---
 notebook/nbconvert/handlers.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/notebook/nbconvert/handlers.py b/notebook/nbconvert/handlers.py
index 89995226e..23159346b 100644
--- a/notebook/nbconvert/handlers.py
+++ b/notebook/nbconvert/handlers.py
@@ -138,8 +138,12 @@ class NbconvertFileHandler(IPythonHandler):
             self.set_header('Content-Type',
                             '%s; charset=utf-8' % exporter.output_mimetype)
 
+        self.set_header('Cache-Control', 'no-store, no-cache, must-revalidate, max-age=0')
         self.finish(output)
 
+    def compute_etag(self):
+        return None
+
 class NbconvertPostHandler(IPythonHandler):
     SUPPORTED_METHODS = ('POST',)