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jorgensd · finsberg · web-flow · commit a6a56b131d29 · 2026-02-23T11:41:27.000+01:00
Co-authored-by: Henrik Finsberg &lt;henriknf@simula.no&gt;
diff --git a/src/io4dolfinx/utils.py b/src/io4dolfinx/utils.py
@@ -249,12 +249,12 @@ def reconstruct_mesh(mesh: dolfinx.mesh.Mesh, coordinate_element_degree: int) ->
     )
     # Could use create_geometry here when things are fixed
     geom = dolfinx.mesh.Geometry(
-        mesh.geometry._cpp_object.__class__(
+        type(mesh.geometry._cpp_object)(
             geom_imap, geom_dofmap, coordinate_element._cpp_object, x, original_input_indices
         )
     )
 
     # Create new mesh
     new_top = mesh.topology
-    cpp_mesh = mesh._cpp_object.__class__(mesh.comm, new_top._cpp_object, geom._cpp_object)
+    cpp_mesh = type(mesh._cpp_object)(mesh.comm, new_top._cpp_object, geom._cpp_object)
     return dolfinx.mesh.Mesh(cpp_mesh, ufl.Mesh(new_c_el))

Original file line number	Diff line number	Diff line change
`@@ -249,12 +249,12 @@ def reconstruct_mesh(mesh: dolfinx.mesh.Mesh, coordinate_element_degree: int) ->`
`249`	`249`	`)`
`250`	`250`	`# Could use create_geometry here when things are fixed`
`251`	`251`	`geom = dolfinx.mesh.Geometry(`
`252`		`- mesh.geometry._cpp_object.__class__(`
	`252`	`+ type(mesh.geometry._cpp_object)(`
`253`	`253`	`geom_imap, geom_dofmap, coordinate_element._cpp_object, x, original_input_indices`
`254`	`254`	`)`
`255`	`255`	`)`
`256`	`256`
`257`	`257`	`# Create new mesh`
`258`	`258`	`new_top = mesh.topology`
`259`		`- cpp_mesh = mesh._cpp_object.__class__(mesh.comm, new_top._cpp_object, geom._cpp_object)`
	`259`	`+ cpp_mesh = type(mesh._cpp_object)(mesh.comm, new_top._cpp_object, geom._cpp_object)`
`260`	`260`	`return dolfinx.mesh.Mesh(cpp_mesh, ufl.Mesh(new_c_el))`