diff --git a/pyposeidon/utils/data.py b/pyposeidon/utils/data.py
index d7bbce5..eb1424a 100644
--- a/pyposeidon/utils/data.py
+++ b/pyposeidon/utils/data.py
@@ -15,7 +15,7 @@
 from pyposeidon.mesh import r2d
 import pyposeidon.model as pm
 from pyposeidon.tools import flat_list
- xarray as xr
+import xarray as xr
 import glob
 import logging
 import json