From ff744e25cddee6498401dd6f2ecd5469cfbe3595 Mon Sep 17 00:00:00 2001
From: MinRK <benjaminrk@gmail.com>
Date: Thu, 24 Oct 2013 11:04:40 -0700
Subject: [PATCH] raise 404 on not found static file

master gives 403 due to empty string being outside of root
---
 IPython/html/base/handlers.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/IPython/html/base/handlers.py b/IPython/html/base/handlers.py
index 42a5826c2..60971d896 100644
--- a/IPython/html/base/handlers.py
+++ b/IPython/html/base/handlers.py
@@ -321,8 +321,8 @@ class FileFindHandler(web.StaticFileHandler):
             try:
                 abspath = os.path.abspath(filefind(path, roots))
             except IOError:
-                # empty string should always give exists=False
-                return ''
+                # IOError means not found
+                raise web.HTTPError(404)
             
             cls._static_paths[path] = abspath
             return abspath