From 60eea1f171253ca837cf2a14592cef181aed8ff0 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@gns3.net>
Date: Thu, 15 Dec 2016 17:12:54 +0100
Subject: [PATCH] Fix error when you upload an empty file

Fix #838
---
 gns3server/controller/compute.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gns3server/controller/compute.py b/gns3server/controller/compute.py
index ced6789b..d6b6b7f6 100644
--- a/gns3server/controller/compute.py
+++ b/gns3server/controller/compute.py
@@ -451,6 +451,8 @@ class Compute:
             elif data is not None:
                 if hasattr(data, '__json__'):
                     data = json.dumps(data.__json__())
+                elif isinstance(data, aiohttp.streams.EmptyStreamReader):
+                    data = None
                 # Stream the request
                 elif isinstance(data, aiohttp.streams.StreamReader) or isinstance(data, bytes):
                     chunked = True