Possible reference before assignment in bulk statistics?

[freemansw1]

In working on the new windows bug discovered in #353, I'm digging into bulk_statistics.py/get_statistics_from_mask. In looking at this line:

tobac/tobac/utils/bulk_statistics.py

Line 201 in 5f096e3

field_t = field.sel(time=tt).data

it appears that there should be another loop for field? I'm not that familiar with this code though, so tagging @JuliaKukulies .

[w-k-jones]

Good catch! It'll be using the last field array from the loop at L185. Should be a quick fix to update to a generator, I'll do that now

[JuliaKukulies]

Good catch @freemansw1 and thank you so much for taking care of this, @w-k-jones !

[freemansw1]

Closing with #368 being merged