diff --git a/etrago/tools/utilities.py b/etrago/tools/utilities.py
index a3911e27..628c2a48 100755
--- a/etrago/tools/utilities.py
+++ b/etrago/tools/utilities.py
@@ -29,6 +29,7 @@
 import math
 import os
 
+from geoalchemy2.shape import to_shape  # noqa: F401
 from pyomo.environ import Constraint, PositiveReals, Var
 import numpy as np
 import pandas as pd