Conversion stats is missing on promoted_tweet level with segementation_type=platforms


#1

when fetching the stats using the PLATFORMS segmentation, all conversion stats are missing,
but without it, conversion stats are available

query_params = '?granularity=HOUR&start_time=%s&end_time=%s&segmentation_type=PLATFORMS’
no conv stats

query_params = '?granularity=HOUR&start_time=%s&end_time=%s’
conv stats !