From ab4a507605461695fb7de20576c9db79c59fa985 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Thu, 9 Jul 2009 20:26:04 +0200
Subject: [PATCH 1/2] #202: dont raise a TypeError when dot cant be found.

---
 sphinx/ext/graphviz.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sphinx/ext/graphviz.py b/sphinx/ext/graphviz.py
index 2dabd5e7e..a5a7c92ac 100644
--- a/sphinx/ext/graphviz.py
+++ b/sphinx/ext/graphviz.py
@@ -95,7 +95,7 @@ def render_dot(self, code, options, format, prefix='graphviz'):
 
     if hasattr(self.builder, '_graphviz_warned_dot') or \
        hasattr(self.builder, '_graphviz_warned_ps2pdf'):
-        return None
+        return None, None
 
     ensuredir(path.dirname(outfn))
 
@@ -114,7 +114,7 @@ def render_dot(self, code, options, format, prefix='graphviz'):
                           'output), check the graphviz_dot setting' %
                           self.builder.config.graphviz_dot)
         self.builder._graphviz_warned_dot = True
-        return None
+        return None, None
     # graphviz expects UTF-8 by default
     if isinstance(code, unicode):
         code = code.encode('utf-8')

From 1f0fcabe32e460e66c0ffb5730b44e7991604112 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Thu, 9 Jul 2009 20:27:09 +0200
Subject: [PATCH 2/2] #201: Make ``centered`` directive work in LaTeX output.

---
 CHANGES                 | 2 ++
 sphinx/writers/latex.py | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 6c6da9acc..1a437a8ab 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,8 @@
 Release 0.6.3 (in development)
 ==============================
 
+* #201: Make ``centered`` directive work in LaTeX output.
+
 * #206: Refuse to overwrite an existing master document in
   sphinx-quickstart.
 
diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index 3ebdb3df2..6a12a2167 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -784,9 +784,9 @@ class LaTeXTranslator(nodes.NodeVisitor):
         self.body.append('\n')
 
     def visit_centered(self, node):
-        self.body.append('\n\\begin{centering}')
+        self.body.append('\n\\begin{center}')
     def depart_centered(self, node):
-        self.body.append('\n\\end{centering}')
+        self.body.append('\n\\end{center}')
 
     def visit_hlist(self, node):
         # for now, we don't support a more compact list format