[Draft] Eliminate default value modification

src/Mod/Draft/draftmake/make_dimension.py

@@ -509,7 +509,7 @@ def make_radial_dimension_obj(edge_object, index=1, mode="radius",
 
 
 def make_angular_dimension(center=App.Vector(0, 0, 0),
-                           angles=[0, 90],
+                           angles=None, # If None, set to [0,90]
                            dim_line=App.Vector(10, 10, 0), normal=None):
     """Create an angular dimension from the given center and angles.
 
@@ -555,6 +555,10 @@ def make_angular_dimension(center=App.Vector(0, 0, 0),
     _name = "make_angular_dimension"
     utils.print_header(_name, "Angular dimension")
 
+    # Prevent later modification of a default parameter by using a placeholder
+    if angles is None:
+        angles = [0, 90]
+
     found, doc = utils.find_doc(App.activeDocument())
     if not found:
         _err(translate("draft","No active document. Aborting."))