Show FutureWarning and DeprecationWarning for pytest

src/pymatgen/analysis/piezo_sensitivity.py

@@ -620,17 +620,17 @@ def get_rand_FCM(self, asum=15, force=10):
             for n in range(n_sites):
                 dyn_mass[m][n] = dyn[m][n] * np.sqrt(masses[m]) * np.sqrt(masses[n])
 
-        supercell = pn_struct.get_supercell()
-        primitive = pn_struct.get_primitive()
+        supercell = pn_struct.supercell
+        primitive = pn_struct.primitive
 
         converter = dyntofc.DynmatToForceConstants(primitive, supercell)
 
         dyn = np.reshape(np.swapaxes(dyn_mass, 1, 2), (n_sites * 3, n_sites * 3))
 
-        converter.set_dynamical_matrices(dynmat=[dyn])
+        converter.dynamical_matrices = [dyn]
 
         converter.run()
-        return converter.get_force_constants()
+        return converter.force_constants
 
 
 def get_piezo(BEC, IST, FCM, rcond=0.0001):

tests/analysis/test_piezo_sensitivity.py

@@ -220,7 +220,7 @@ def test_rand_fcm(self):
         structure = get_phonopy_structure(self.piezo_struct)
         pn_struct = Phonopy(structure, np.eye(3), np.eye(3))
 
-        pn_struct.set_force_constants(rand_FCM)
+        pn_struct.force_constants = rand_FCM
         dyn = pn_struct.get_dynamical_matrix_at_q([0, 0, 0])
         dyn = np.reshape(dyn, (10, 3, 10, 3)).swapaxes(1, 2)
         dyn = np.real(dyn)
@@ -296,7 +296,7 @@ def test_rand_piezo(self):
         structure = get_phonopy_structure(self.piezo_struct)
         pn_struct = Phonopy(structure, np.eye(3), np.eye(3))
 
-        pn_struct.set_force_constants(rand_FCM)
+        pn_struct.force_constants = rand_FCM
         dyn = pn_struct.get_dynamical_matrix_at_q([0, 0, 0])
         dyn = np.reshape(dyn, (10, 3, 10, 3)).swapaxes(1, 2)
         dyn = np.real(dyn)