geometry: Profile: Fix table station display.

src/Model/Geometry/PointXYZ.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 from math import dist
-from pandas import isna
+import numpy as np
 
 from Model.Geometry.Point import Point
 
@@ -46,9 +46,9 @@ class PointXYZ(Point):
         Returns:
             True if at least one coordinate is as np.nan
         """
-        return (isna(self.x) or
-                isna(self.y) or
-                isna(self.z))
+        return (np.isnan(self.x) or
+                np.isnan(self.y) or
+                np.isnan(self.z))
 
     def dist(self, p2):
         return PointXYZ.distance(self, p2)