Fix mypy

finsberg · finsberg · commit cca96138d884 · 2026-02-13T13:03:23.000+01:00
diff --git a/src/io4dolfinx/backends/vtkhdf/backend.py b/src/io4dolfinx/backends/vtkhdf/backend.py
@@ -789,6 +789,7 @@ def write_meshtags(
             maxshape=(None,),
             mode=h5_mode,
         )
+        assert data.local_start is not None
         insert_slice = _compute_append_slice(
             dataset,
             data.num_entities_global,

Original file line number	Diff line number	Diff line change
`@@ -789,6 +789,7 @@ def write_meshtags(`
`789`	`789`	`maxshape=(None,),`
`790`	`790`	`mode=h5_mode,`
`791`	`791`	`)`
	`792`	`+ assert data.local_start is not None`
`792`	`793`	`insert_slice = _compute_append_slice(`
`793`	`794`	`dataset,`
`794`	`795`	`data.num_entities_global,`