Run black, and add black to a "qa" target to make it a standardised process.

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

@@ -6,6 +6,4 @@ class Usecase:
             self.settings[key] = value
 
     def execute(self):
-        return self.file.create_entity("IfcPresentationLayerAssignment", **{
-            "Name": "Unnamed"
-        })
+        return self.file.create_entity("IfcPresentationLayerAssignment", **{"Name": "Unnamed"})

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

@@ -1,10 +1,7 @@
 class Usecase:
     def __init__(self, file, **settings):
         self.file = file
-        self.settings = {
-            "layer": None,
-            "attributes": {}
-        }
+        self.settings = {"layer": None, "attributes": {}}
         for key, value in settings.items():
             self.settings[key] = value