diff --git a/src/akkudoktoreosserver/flask_server.py b/src/akkudoktoreosserver/flask_server.py
index 1de2d62..9011177 100755
--- a/src/akkudoktoreosserver/flask_server.py
+++ b/src/akkudoktoreosserver/flask_server.py
@@ -11,6 +11,7 @@ matplotlib.use("Agg")
 
 import pandas as pd
 from flask import Flask, jsonify, redirect, request, send_from_directory, url_for
+
 from akkudoktoreos.class_load import LoadForecast
 from akkudoktoreos.class_load_container import Gesamtlast
 from akkudoktoreos.class_load_corrector import LoadPredictionAdjuster