diff --git a/src/ifcopenshell-python/ifcopenshell/api/sequence/get_related_products.py b/src/ifcopenshell-python/ifcopenshell/api/sequence/get_related_products.py
index b46c17c485..26ad4af7fa 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/sequence/get_related_products.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/sequence/get_related_products.py
@@ -70,7 +70,7 @@ class Usecase:
         elif self.settings["relating_product"]:
             for reference in self.settings["relating_product"].ReferencedBy:
                 if reference.is_a("IfcRelAssignsToProduct"):
-                    related_object = referenced_by.RelatedObjects[0]
+                    related_object = reference.RelatedObjects[0]
         if related_object:
             assignments = self.settings["related_object"].HasAssignments
             for assignment in assignments:
diff --git a/src/ifcopenshell-python/ifcopenshell/util/sequence.py b/src/ifcopenshell-python/ifcopenshell/util/sequence.py
index b8ad222e8a..ebdedb5890 100644
--- a/src/ifcopenshell-python/ifcopenshell/util/sequence.py
+++ b/src/ifcopenshell-python/ifcopenshell/util/sequence.py
@@ -18,6 +18,7 @@
 
 import datetime
 import ifcopenshell.util.date
+from math import floor
 from functools import lru_cache
 
 
@@ -221,7 +222,7 @@ def is_work_time_applicable_to_day(work_time, day):
         return False  # TODO
     elif recurrence.RecurrenceType == "MONTHLY_BY_POSITION":
         if not recurrence.Interval and not recurrence.Occurrences:
-            return (day.weekday() + 1) in recurrence.WeekdayComponent and math.floor(
+            return (day.weekday() + 1) in recurrence.WeekdayComponent and floor(
                 day.day / 7
             ) + 1 == recurrence["Position"]
         return False  # TODO
@@ -237,7 +238,7 @@ def is_work_time_applicable_to_day(work_time, day):
             return (
                 day.month in recurrence.MonthComponent
                 and (day.weekday() + 1) in recurrence.WeekdayComponent
-                and math.floor(day.day / 7) + 1 == recurrence.Position
+                and floor(day.day / 7) + 1 == recurrence.Position
             )
         return False  # TODO