diff --git a/webservice/serve_overview.py b/webservice/serve_overview.py
index 0f0b63f3d6c1c3d6428d7ee38fc513d3abe9f339..b8c6c5593a8a385a9ed044d9d85031e822f18f4b 100644
--- a/webservice/serve_overview.py
+++ b/webservice/serve_overview.py
@@ -6,12 +6,14 @@ from collections import OrderedDict
 from datetime import datetime, timezone
 from http.server import BaseHTTPRequestHandler, HTTPServer
 from subprocess import check_output
-from xfel_calibrate.settings import (free_nodes_cmd, preempt_nodes_cmd,
-                                     reservation)
 from uuid import uuid4
+
 import yaml
 from jinja2 import Template
 
+from xfel_calibrate.settings import (free_nodes_cmd, preempt_nodes_cmd,
+                                     reservation)
+
 
 class LimitedSizeDict(OrderedDict):
     def __init__(self, *args, **kwds):