Browser error: "Failed to load model class 'LeafletMapModel' from module 'jupyter-leaflet'"

<!-- Please search existing issues to avoid creating duplicates. --> ### Environment Information - leafmap version: 0.52.0 - Python version: 3.13.5 - Operating System: Rocky Linux 9.6 - JupyterLab: 4.4.6 - JupyterHub: 5.3.0 ### Description Trying to load a geotiff via `add_raster` in a JupyterLab on a JupyterHub produces a javascript error in the browser: Failed to load model class 'LeafletMapModel' from module 'jupyter-leaflet', and no map interface is created. ### What I Did Some information redacted below: ``` import leafmap m = leafmap.Map() m.add_raster("/snipped_path/snipped_filename.tif") m ``` <img width="1340" height="576" alt="Image" src="https://github.com/user-attachments/assets/1455071e-73f8-4ebc-80a7-3f3ffbeef4be" />