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

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

@@ -57,7 +57,7 @@ class Data:
         for reference in cls._file.by_type("IfcClassificationReference"):
             data = reference.get_info()
             if reference.ReferencedSource:
-                #data["ReferencedSource"] = cls.get_referenced_source(reference.ReferencedSource)
+                # data["ReferencedSource"] = cls.get_referenced_source(reference.ReferencedSource)
                 data["ReferencedSource"] = reference.ReferencedSource.id()
             cls.references[reference.id()] = data
 

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

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

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

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