Fix wrong debug message.

debexpo/importer/importer.py

@@ -390,7 +390,7 @@ class Importer(object):
                           self.changes,
                           self.changes_file,
                           user_id=self.user_id)
-        log.debug('Running plugins of type: %s' % type)
+        log.debug('Running plugins of type: %s' % stage)
         plugins.load_plugins()
         plugins.run_plugins()