# HG changeset patch
# User Steve Losh <steve@stevelosh.com>
# Date 1267663203 18000
# Node ID da5e042343da5ab699d92ae93d215b98c0b65481
# Parent  12301b2a5461efc4f1a509561c52cc23ceb20a50
Handle files with no diffs awkwardly, for now.

diff -r 12301b2a5461 -r da5e042343da review/api.py
--- a/review/api.py	Wed Mar 03 19:34:12 2010 -0500
+++ b/review/api.py	Wed Mar 03 19:40:03 2010 -0500
@@ -514,7 +514,10 @@
         line_level_comments = self.line_level_comments(filename)
         previous_n = -1
         
-        yield content[-1][0]
+        if content:
+            yield content[-1][0]
+        else:
+            yield 0
         
         for n, line in content:
             if n - 1 > previous_n: