commit 8dabeba4aa2bf23dcb91814e9ad47261a932bba0
Author: Thomas Lattimore <thomasl@cgraphics.com>
Date:   Sat Apr 20 11:33:50 2013 -0400

    Changing uri back to path.

diff --git a/core/modules/picture/picture.module b/core/modules/picture/picture.module
index f8b1472..0764c5d 100644
--- a/core/modules/picture/picture.module
+++ b/core/modules/picture/picture.module
@@ -155,7 +155,7 @@ function picture_theme() {
     'picture' => array(
       'variables' => array(
         'style_name' => NULL,
-        'uri' => NULL,
+        'path' => NULL,
         'width' => NULL,
         'height' => NULL,
         'alt' => '',