Merge pull request #1 from ashleytqy/ash.etag

Disable cache and etags

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',)