From 0c352b4d077b0bf243709c6f5821dd13b16d8ac6 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Mar 25 2014 15:04:54 +0000
Subject: If the git repo is empty, we need to define a default value to `tree`


---

diff --git a/progit/wiki.py b/progit/wiki.py
index 47eb00b..c02600b 100644
--- a/progit/wiki.py
+++ b/progit/wiki.py
@@ -94,6 +94,7 @@ def do_view_wiki(repo, username=None, branchname=None, filename=None):
         branchname = 'master'
 
     content = None
+    tree = None
     startswith = False
     if not filename:
         path = ['index']