- delta, d_stdev = relative_change_stdev(
- ref_itm[u"mean"], cmp_itm[u"mean"],
- ref_itm[u"stdev"], cmp_itm[u"stdev"]
- )
+ try:
+ delta, d_stdev = relative_change_stdev(
+ ref_itm[u"mean"], cmp_itm[u"mean"],
+ ref_itm[u"stdev"], cmp_itm[u"stdev"]
+ )
+ except ZeroDivisionError:
+ break