diff --git a/tests/tests_ntv_numpy.py b/tests/tests_ntv_numpy.py
index d14708f..afc5b77 100644
--- a/tests/tests_ntv_numpy.py
+++ b/tests/tests_ntv_numpy.py
@@ -15,6 +15,7 @@
 import pandas as pd
 from shapely.geometry import Point, LineString
 import xarray as xr
+import ntv_pandas as npd
 
 from ntv_numpy import Darray, Dfull, Ndarray, Xndarray, Xdataset, Dutil
 from ntv_numpy.xconnector import PandasConnec