get_tile - float division by zero

[guydou]

import telluric as tl
url = "https://tellurictest.blob.core.windows.net/test/dataset240/2538/bad.tif?sp=rl&st=2018-07-09T06:15:52Z&se=2018-07-10T06:15:52Z&sv=2017-11-09&sig=Vjkihrlxqn84F2UwFBQc8Sn0UEgyzZ2%2FPJOh%2Bl6HP%2FM%3D&sr=b"
r = tl.GeoRaster2.open(url)
r.get_tile(2018,1567,12)

outputs:

ZeroDivisionError: float division by zero

Telluric versions:
latest, master

[astrojuanlu]

The reason is that the affine is flipped:

In [3]: r.affine
Out[3]: 
Affine(1.0000230493996607, 0.0, -302753.1446876288,
       0.0, 1.000025765197041, 4697468.594452945)

This has been already reported in other places but we haven't decided what to do with this case.