Remove a tolerence of older Python3 versions

Interface.py

@@ -79,7 +79,10 @@ class HydroOverlap :
 #
     def __init__(self, nbpt, nbvmax, sub_pts, sub_index_in, sub_area_in, sub_lon_in, sub_lat_in, sub_hdom_in, part, modelgrid, hydrodata) :
         #
-        print("np.shape(sub_hdom_in)", np.shape(sub_hdom_in))
+        if isinstance(sub_hdom_in, list) :
+            print("len(sub_hdom_in)", len(sub_hdom_in))
+        else :
+            print("np.shape(sub_hdom_in)", np.shape(sub_hdom_in))
         #
         # Reshape stuff so that it fits into arrays
         #