diff --git a/tests/tests_ntv_numpy.py b/tests/tests_ntv_numpy.py
index 3d338e3..afc5b77 100644
--- a/tests/tests_ntv_numpy.py
+++ b/tests/tests_ntv_numpy.py
@@ -15,11 +15,12 @@
 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
 
+
 nd_equals = Dutil.equals
 FILE = "https://raw.githubusercontent.com/loco-philippe/ntv-numpy/master/example/ex_ndarray.ntv"