--- a/runtime/NevowServer.py	Wed Aug 08 13:46:19 2018 +0200
+++ b/runtime/NevowServer.py	Thu Aug 09 09:07:09 2018 +0200
@@ -155,6 +155,7 @@
 
         self.bindingsNames.append(name)
 
+
 ConfigurableSettings = ConfigurableBindings()
 
 
@@ -180,6 +181,7 @@
                                                "Send a message to the log"),
                                            action=_("Send"))
 
+
 customSettingsURLs = {
 }
 

--- a/runtime/WampClient.py	Wed Aug 08 13:46:19 2018 +0200
+++ b/runtime/WampClient.py	Thu Aug 09 09:07:09 2018 +0200
@@ -383,6 +383,7 @@
         download_url = data.typedValue.getAttribute('download_url')
         return slot[tags.a(href=download_url)[_("Download")]]
 
+
 registerAdapter(FileUploadDownloadRenderer, FileUploadDownload,
                 formless.iformless.ITypedRenderer)
 
@@ -393,6 +394,7 @@
             child(WAMP_SECRET_URL).\
             child(lastKnownConfig["ID"] + ".secret")
 
+
 webFormInterface = [
     ("status",
      annotate.String(label=_("Current status"),