Index: python-meshplex/tests/helpers.py
===================================================================
--- python-meshplex.orig/tests/helpers.py	2022-06-12 22:52:45.707081731 +0200
+++ python-meshplex/tests/helpers.py	2025-05-07 00:19:38.268418707 +0200
@@ -12,7 +12,7 @@
     total_cellvolume = fsum(mesh.cell_volumes)
     assert abs(volume - total_cellvolume) < tol * volume, total_cellvolume
     norm2 = np.linalg.norm(mesh.cell_volumes, ord=2)
-    norm_inf = np.linalg.norm(mesh.cell_volumes, ord=np.Inf)
+    norm_inf = np.linalg.norm(mesh.cell_volumes, ord=np.inf)
     assert is_near_equal(cellvol_norms, [norm2, norm_inf], tol), [norm2, norm_inf]
 
     # If everything is Delaunay and the boundary elements aren't flat, the volume of the
@@ -34,7 +34,7 @@
     assert abs(volume - vol) < tol * volume, vol
     # Check control volume norms.
     norm2 = np.linalg.norm(mesh.control_volumes, ord=2)
-    norm_inf = np.linalg.norm(mesh.control_volumes, ord=np.Inf)
+    norm_inf = np.linalg.norm(mesh.control_volumes, ord=np.inf)
     assert is_near_equal(convol_norms, [norm2, norm_inf], tol), [norm2, norm_inf]
 
 
Index: python-meshplex/tests/test_mesh_tetra.py
===================================================================
--- python-meshplex.orig/tests/test_mesh_tetra.py	2022-06-12 22:52:48.279108511 +0200
+++ python-meshplex/tests/test_mesh_tetra.py	2025-05-07 00:19:38.268418707 +0200
@@ -338,10 +338,10 @@
     assert is_near_equal(mesh.control_volumes, cv, tol)
     assert is_near_equal(mesh.cell_volumes, cellvols, tol)
 
-    cv_norms = [np.linalg.norm(cv, ord=2), np.linalg.norm(cv, ord=np.Inf)]
+    cv_norms = [np.linalg.norm(cv, ord=2), np.linalg.norm(cv, ord=np.inf)]
     cellvol_norms = [
         np.linalg.norm(cellvols, ord=2),
-        np.linalg.norm(cellvols, ord=np.Inf),
+        np.linalg.norm(cellvols, ord=np.inf),
     ]
     run(mesh, 10.0, cv_norms, [28.095851618771825, 1.25], cellvol_norms)