Gap in the data

[mioruggieroguida]

First of all, amazing data set!

There seem to be a gap in the data or a little bug in the notebook example_building_footprints.ipynb. These arethe buildings extracted with AOI

           [
            [
              -0.31158648247856036,
              51.67080399034276
            ],
            [
              -0.31158648247856036,
              51.55175362366529
            ],
            [
              -0.12320075078847026,
              51.55175362366529
            ],
            [
              -0.12320075078847026,
              51.67080399034276
            ],
            [
              -0.31158648247856036,
              51.67080399034276
            ]
          ]

and tiles
[31313113, 31313131]

As you can see there a strip missing.

I have downloaded the geoJSON containing all the areas covered and there should be data at these coordinates.

Any advice/suggestion?