If you're proposing prevention of monkey patching Ellipsis, I think
you'll have to go all-in on all builtins.

For example:

>>> str = int
>>> str
<class 'int'>
>>> str == int
True

Paul

On Mon, 2021-05-31 at 11:37 -0300, André Roberge wrote:
> In Python `...` is referred to as `Ellipsis` and cannot be assigned
> to. 
> Yet, one can assign any value to the name `Ellipsis`.
> 
> Consider the following:
> 
> ```
> >>> ...
> Ellipsis
> >>> ... == Ellipsis
> True
> >>> Ellipsis
> Ellipsis
> >>> Ellipsis = 3
> >>> Ellipsis
> 3
> >>> ... = 4
>   File "<stdin>", line 1
>     ... = 4
>     ^
> SyntaxError: cannot assign to Ellipsis
> >>>  # But I just did assign a new value to the name Ellipsis above.
> >>> Ellipsis
> 3    
> >>> ...
> Ellipsis
> >>> ... == Ellipsis
> False
> ```
> 
> For consistency, `Ellipsis` (the name) should **always** refer to the
> same object that `...` refers to, so that both could not be assigned
> a new value.
> 
> André Roberge
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