fix http response

custom_components/mega/http.py

@@ -78,7 +78,7 @@ class MegaView(HomeAssistantView):
                 template.hass = hass
                 ret = template.async_render(data)
         _LOGGER.debug('response %s', ret)
-        ret = Response(body='', content_type='text/plain', headers={'Server': 's', 'Date': 'n'})
+        Response(body='', content_type='text/plain', headers={'Server': 's', 'Date': 'n'})
         await hub.request(cmd=ret)
         return ret