Hello everyone,
This code below returns an empty statistics. Although, it worked for other indices like (NDVI, NDWI).
gis = GIS(-----)
sentinel_img_lyr = ImageryLayer(-----, gis=gis)
AOI = '-----'
AOI = Geometry(loads(AOI))
ndmi_lyr = ndmi(sentinel_img_lyr, band_indexes='8 11')
ndmi_stats = ndmi_lyr.compute_stats_and_histograms(AOI)['statistics']
ndmi_stats
ArcGIS Pro version: 3.0