# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1334789326 -7200
# Node ID e32df1f28c446051352e0a624c8556c9455fd72e
# Parent  27d0b30ffd5481c68443e8094d0f7b082f547a15
Since an existing graph may cause the dictionary of graph attributes to have a
width and height of None (the value given to a non-matching regular expression
group when looking for appropriate attachment filenames), the test for
dimensions needs to reject such present but "false" attributes.

diff -r 27d0b30ffd54 -r e32df1f28c44 parsers/graphviz.py
--- a/parsers/graphviz.py	Thu Mar 22 23:11:54 2012 +0100
+++ b/parsers/graphviz.py	Thu Apr 19 00:48:46 2012 +0200
@@ -303,7 +303,7 @@
 
         "Return a (width, height) tuple using the 'attrs' dictionary."
 
-        if attrs and attrs.has_key("width") and attrs.has_key("height"):
+        if attrs and attrs.get("width") and attrs.get("height"):
             return attrs["width"], attrs["height"]
         else:
             return None