Errors in the maps section of 'Earthquakes solution' page

[K-Meech]

Obtaining maps from OpenStreetMap for the earthquakes exercise solution currently doesn't work. All the output blocks in that section show errors e.g.:

---------------------------------------------------------------------------
AssertionError                            Traceback (most recent call last)
Cell In [24], line 1
----> 1 get_map_tile_at(latitude=51.477806, longitude=-0.001472, zoom=14)

Cell In [23], line 5, in get_map_tile_at(latitude, longitude, zoom, satellite)
      3 tile_url = f"http://a.tile.openstreetmap.org/{zoom}/{x}/{y}.png"
      4 response = requests.get(tile_url)
----> 5 assert response.status_code == 200
      6 return IPython.core.display.Image(response.content)

AssertionError: 

[dpshelio]

This needs to be updated to what was used on the example program. We've been changing this back and forth as the services have changed.