Import gen

jupyter · Sep 16, 2019 · 6092b29 · 6092b29
1 parent d77c72b
commit 6092b29
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/notebook/files/handlers.py b/notebook/files/handlers.py
@@ -7,7 +7,7 @@
 import json
 from base64 import decodebytes
 
-from tornado import web
+from tornado import  gen, web
 
 from notebook.base.handlers import IPythonHandler
 from notebook.utils import maybe_future