python2 to python3 conversion

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ia0e00fdd8ae8d4f3c657384be9224cfc9911285f
diff --git a/patchxml.py b/patchxml.py
index 0deb5d9..4db64de 100755
--- a/patchxml.py
+++ b/patchxml.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This script applies patches to an XML file.
@@ -219,7 +219,7 @@
                                 patch_type)
 
         except Exception as e:
-            print e
+            print(e)
             errors.append(e)
 
     tree.write(args.output_xml)