replace settings=None with {}

src/ifcopenshell-python/ifcopenshell/api/owner/add_address.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"assigned_object": None, "ifc_class": "IfcPostalAddress"}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/owner/add_role.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"assigned_object": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/owner/create_owner_history.py

@@ -3,7 +3,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "person": None,

src/ifcopenshell-python/ifcopenshell/api/owner/edit_address.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "address": None,

src/ifcopenshell-python/ifcopenshell/api/owner/edit_organisation.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "organisation": None,

src/ifcopenshell-python/ifcopenshell/api/owner/edit_person.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "person": None,

src/ifcopenshell-python/ifcopenshell/api/owner/edit_role.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "role": None,

src/ifcopenshell-python/ifcopenshell/api/owner/remove_address.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"address": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/owner/remove_organisation.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"organisation": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/owner/remove_person.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"person": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/owner/remove_role.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"role": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/owner/update_owner_history.py

@@ -3,7 +3,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "OwnerHistory": None,