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-rw-r--r--python/calibrate_tranches_BC.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/python/calibrate_tranches_BC.py b/python/calibrate_tranches_BC.py
index d860a514..3da19a69 100644
--- a/python/calibrate_tranches_BC.py
+++ b/python/calibrate_tranches_BC.py
@@ -1,5 +1,5 @@
from serenitas.analytics.tranche_basket import TrancheBasket, MarkitTrancheBasket
-from serenitas.analytics.utils import prev_business_day
+from serenitas.analytics.dates import prev_business_day
import datetime
import logging
import numpy as np