fix for older python versions
@@ -59,7 +59,7 @@ class Mesh:
self.point_data[key] = np.asarray(item)
if self.point_data[key].shape[0] != self.points.shape[0]:
raise ValueError(
- f"{len(points) = }, "
+ f"len(points) = {len(points)}, "
f'but len(point_data["{key}"]) = {len(point_data[key])}'
)
