replace settings=None with {}

src/ifcopenshell-python/ifcopenshell/api/aggregate/assign_object.py

@@ -4,7 +4,7 @@ from ifcopenshell.api.owner.api import update_owner_history
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/attribute/edit_attributes.py

@@ -2,7 +2,7 @@ from ifcopenshell.api.owner.api import update_owner_history
 
 
 class Usecase():
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/classification/add_classification.py

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

src/ifcopenshell-python/ifcopenshell/api/classification/add_reference.py

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

src/ifcopenshell-python/ifcopenshell/api/classification/edit_classification.py

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

src/ifcopenshell-python/ifcopenshell/api/classification/edit_reference.py

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

src/ifcopenshell-python/ifcopenshell/api/classification/remove_classification.py

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

src/ifcopenshell-python/ifcopenshell/api/classification/remove_reference.py

@@ -2,7 +2,7 @@ import ifcopenshell.util.schema
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"reference": None, "product": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/constraint/assign_constraint.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/constraint/edit_objective.py

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

src/ifcopenshell-python/ifcopenshell/api/constraint/remove_constraint.py

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

src/ifcopenshell-python/ifcopenshell/api/constraint/unassign_constraint.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/context/add_context.py

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

src/ifcopenshell-python/ifcopenshell/api/context/remove_context.py

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

src/ifcopenshell-python/ifcopenshell/api/document/assign_document.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/document/edit_information.py

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

src/ifcopenshell-python/ifcopenshell/api/document/edit_reference.py

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

src/ifcopenshell-python/ifcopenshell/api/document/remove_document.py

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

src/ifcopenshell-python/ifcopenshell/api/document/unassign_document.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/geometry/add_representation.py

@@ -6,7 +6,7 @@ from blenderbim.bim.module.geometry.helper import Helper
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         # TODO: This usecase currently depends on Blender's data model
         self.file = file
         self.settings = {

src/ifcopenshell-python/ifcopenshell/api/geometry/assign_representation.py

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

src/ifcopenshell-python/ifcopenshell/api/geometry/assign_styles.py

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

src/ifcopenshell-python/ifcopenshell/api/geometry/edit_object_placement.py

@@ -4,7 +4,7 @@ import ifcopenshell.util.placement
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None, "matrix": np.eye(4)}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/geometry/map_representation.py

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

src/ifcopenshell-python/ifcopenshell/api/geometry/remove_representation.py

@@ -2,7 +2,7 @@ import ifcopenshell.util.element
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"representation": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/geometry/unassign_representation.py

@@ -3,7 +3,7 @@ import ifcopenshell.util.element
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None, "representation": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/georeference/add_georeferencing.py

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

src/ifcopenshell-python/ifcopenshell/api/georeference/edit_georeferencing.py

@@ -2,7 +2,7 @@ import ifcopenshell.util.unit
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "map_conversion": {},

src/ifcopenshell-python/ifcopenshell/api/georeference/remove_georeferencing.py

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

src/ifcopenshell-python/ifcopenshell/api/grid/create_axis_curve.py

@@ -5,7 +5,7 @@ from mathutils import Matrix  # For now, we depend on Blender
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "AxisCurve": None,  # A Blender object

src/ifcopenshell-python/ifcopenshell/api/grid/create_grid_axis.py

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

src/ifcopenshell-python/ifcopenshell/api/group/assign_group.py

@@ -4,7 +4,7 @@ from ifcopenshell.api.owner.api import update_owner_history
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/group/edit_group.py

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

src/ifcopenshell-python/ifcopenshell/api/group/remove_group.py

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

src/ifcopenshell-python/ifcopenshell/api/group/unassign_group.py

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

src/ifcopenshell-python/ifcopenshell/api/layer/assign_layer.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "item": None,

src/ifcopenshell-python/ifcopenshell/api/layer/edit_layer.py

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

src/ifcopenshell-python/ifcopenshell/api/layer/remove_layer.py

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

src/ifcopenshell-python/ifcopenshell/api/layer/unassign_layer.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "item": None,

src/ifcopenshell-python/ifcopenshell/api/material/add_constituent.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"constituent_set": None, "material": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/add_layer.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"layer_set": None, "material": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/add_list_item.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"material_list": None, "material": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/add_material.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"Name": "Unnamed"}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/assign_material.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None, "type": "IfcMaterial", "material": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/edit_assigned_material.py

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

src/ifcopenshell-python/ifcopenshell/api/material/edit_constituent.py

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

src/ifcopenshell-python/ifcopenshell/api/material/edit_layer.py

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

src/ifcopenshell-python/ifcopenshell/api/material/edit_profile.py

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

src/ifcopenshell-python/ifcopenshell/api/material/remove_constituent.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"constituent": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/remove_layer.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"layer": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/remove_list_item.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"material_list": None, "material": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/remove_material.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"material": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/reorder_set_item.py

@@ -1,5 +1,5 @@
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"material_set": None, "old_index": 0, "new_index": 0}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/material/unassign_material.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None}
         for key, value in settings.items():

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,

src/ifcopenshell-python/ifcopenshell/api/project/create_file.py

@@ -3,7 +3,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, settings=None):
+    def __init__(self, settings={}):
         self.settings = {"version": "IFC4"}
         for key, value in settings.items():
             self.settings[key] = value

src/ifcopenshell-python/ifcopenshell/api/pset/add_pset.py

@@ -3,7 +3,7 @@ import blenderbim.bim.schema  # TODO: refactor
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None, "Name": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/pset/add_qto.py

@@ -3,7 +3,7 @@ import blenderbim.bim.schema  # TODO: refactor
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None, "Name": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/pset/edit_pset.py

@@ -2,7 +2,7 @@ import blenderbim.bim.schema  # TODO: refactor
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"pset": None, "Name": None, "Properties": {}}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/pset/edit_qto.py

@@ -2,7 +2,7 @@ import blenderbim.bim.schema  # TODO: refactor
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"qto": None, "Name": None, "Properties": {}}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/pset/remove_pset.py

@@ -2,7 +2,7 @@ import blenderbim.bim.schema  # TODO: refactor
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None, "pset": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/pset_template/edit_prop_template.py

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

src/ifcopenshell-python/ifcopenshell/api/pset_template/edit_pset_template.py

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

src/ifcopenshell-python/ifcopenshell/api/pset_template/remove_prop_template.py

@@ -2,7 +2,7 @@ import ifcopenshell.util.element
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "prop_template": None

src/ifcopenshell-python/ifcopenshell/api/pset_template/remove_pset_template.py

@@ -2,7 +2,7 @@ import ifcopenshell.util.element
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "pset_template": None

src/ifcopenshell-python/ifcopenshell/api/root/copy_class.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/root/create_product.py

@@ -3,7 +3,7 @@ from ifcopenshell.api.owner.api import create_owner_history
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "ifc_class": "IfcBuildingElementProxy",

src/ifcopenshell-python/ifcopenshell/api/root/reassign_class.py

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

src/ifcopenshell-python/ifcopenshell/api/root/remove_product.py

@@ -3,7 +3,7 @@ import ifcopenshell.api.geometry.remove_representation as remove_representation
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/spatial/assign_container.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "product": None,

src/ifcopenshell-python/ifcopenshell/api/spatial/remove_container.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"product": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/style/add_style.py

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

src/ifcopenshell-python/ifcopenshell/api/style/edit_style.py

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

src/ifcopenshell-python/ifcopenshell/api/type/assign_type.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "related_object": None,

src/ifcopenshell-python/ifcopenshell/api/type/get_related_objects.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "related_object": None,

src/ifcopenshell-python/ifcopenshell/api/type/unassign_type.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "related_object": None

src/ifcopenshell-python/ifcopenshell/api/unit/assign_unit.py

@@ -2,7 +2,7 @@ import ifcopenshell.util.unit
 
 
 class Usecase():
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {
             "length": {

src/ifcopenshell-python/ifcopenshell/api/void/add_filling.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"opening": None, "element": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/void/add_opening.py

@@ -2,7 +2,7 @@ import ifcopenshell
 
 
 class Usecase:
-    def __init__(self, file, settings=None):
+    def __init__(self, file, settings={}):
         self.file = file
         self.settings = {"opening": None, "element": None}
         for key, value in settings.items():

src/ifcopenshell-python/ifcopenshell/api/void/remove_filling.py

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

src/ifcopenshell-python/ifcopenshell/api/void/remove_opening.py

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

src/ifcopenshell-python/ifcopenshell/geom/app.py

@@ -615,7 +615,7 @@ class application(QtWidgets.QApplication):
 
         return handler
 
-    def __init__(self, settings=None):
+    def __init__(self, settings={}):
         QtWidgets.QApplication.__init__(self, sys.argv)
         self.window = application.window()
         self.tree = application.decomposition_treeview()

src/ifcopenshell-python/ifcopenshell/geom/main.py

@@ -124,7 +124,7 @@ class iterator(_iterator):
 
 
 class tree(ifcopenshell_wrapper.tree):
-    def __init__(self, file=None, settings=None):
+    def __init__(self, file=None, settings={}):
         args = [self]
         if file is not None:
             args.append(file.wrapped_data)