Next try

Author: FlorianPfaff

pyrecest/tests/distributions/test_hyperspherical_grid_distribution.py

@@ -1,5 +1,6 @@
 import unittest
 import warnings
+import copy
 
 from pyrecest.distributions.hypersphere_subset.von_mises_fisher_distribution import (
     VonMisesFisherDistribution,
@@ -262,7 +263,7 @@ def test_multiply_error(self):
 
         # Make an independent copy and truncate its grid
         f2 = HypersphericalGridDistribution(
-            f1.grid.copy(), f1.grid_values.copy()
+            copy.deepcopy(f1.grid), copy.deepcopy(f1.grid_values)
         )
         f2.grid_values = f2.grid_values[:-1]
         grid_full = f2.get_grid()