Use proper formatting syntax, fixes #2170

src/sugar3/bundle/activitybundle.py

@@ -348,8 +348,8 @@ class ActivityBundle(Bundle):
             return
         if not os.path.islink(dst) and os.path.exists(dst):
             raise RuntimeError('Do not remove %s if it was not '
-                               'installed by sugar', dst)
-        logging.debug('Link resource %s to %s', src, dst)
+                               'installed by sugar' % dst)
+        logging.debug('Link resource %s to %s' % (src, dst))
         if os.path.lexists(dst):
             logging.debug('Relink %s', dst)
             os.unlink(dst)

src/sugar3/bundle/bundle.py

@@ -124,7 +124,7 @@ class Bundle(object):
                 data = self._zip_file.read(path)
                 f = StringIO.StringIO(data)
             except KeyError:
-                logging.debug('%s not found.', filename)
+                logging.debug('%s not found.' % filename)
 
         return f