Index: relatorio/templates/opendocument.py
===================================================================
--- relatorio/templates/opendocument.py (revision 119:5c2412920bff)
+++ relatorio/templates/opendocument.py (revision 121:90c6fb00ea5a)
@@ -333,8 +333,5 @@
 
                 # - we create a <py:xxx> node
-                if attr is not None:
-                    attribs = {attr: a_val}
-                else:
-                    attribs = {}
+                attribs = {attr: a_val} if attr is not None else {}
                 genshi_node = EtreeElement('{%s}%s' % (py_namespace,
                                                        directive),