euscan: PEP8 compliant code

Signed-off-by: volpino <fox91@anche.no>

euscanwww/djeuscan/processing/misc/update_portage_trees.py

@@ -53,6 +53,7 @@ def emerge_sync(logger):
            "--config-root", settings.PORTAGE_CONFIGROOT]
     return _launch_command(cmd, logger)
 
+
 def emerge_metadata(logger):
     """
     Launches an emerge --metadata