Add architecture stub classes

b_asic/resources.py

@@ -1001,9 +1001,7 @@ class ProcessCollection:
         for collection in assignment:
             for mv in collection:
                 if mv not in self:
-                    raise ValueError(
-                        f'{mv.__repr__()} is not part of {self.__repr__()}.'
-                    )
+                    raise ValueError(f'{mv!r} is not part of {self!r}.')
 
         # Make sure that concurrent reads/writes do not surpass the port setting
         for mv in self: