Different types in `nan_data_buffers`

[AryazE]

clodius/clodius/cli/aggregate.py

Line 1054 in 55061be

nan_data_buffers[curr_zoom + 1] += list(

While running a dynamic analysis, I found out that although ct.aggregate ensures numpy.floating type, the values already inside nan_data_buffers are of type numpy.int64.