Something
public text v1 · immutable>>> setattr(None, 'foo', 'bar')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'foo'
>>> setattr(None, 'foo', 'bar')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'foo'