added __bool__ to object.

Author: randolf-scholz

stdlib/_typeshed/__init__.pyi

@@ -71,6 +71,9 @@ MaybeNone: TypeAlias = Any  # stable
 sentinel: Any
 
 class SupportsBool(Protocol):
+    # NOTE: Since object is a subtype of SupportsBool, this protocol is redundant.
+    #   However, it is kept for clarity, as comparisons are generally expected
+    #   to return boolean-like values.
     def __bool__(self) -> bool: ...
 
 # stable

stdlib/builtins.pyi

@@ -105,6 +105,7 @@ class object:
     def __class__(self, type: type[object], /) -> None: ...
     def __init__(self) -> None: ...
     def __new__(cls) -> Self: ...
+    def __bool__(self) -> bool: ...
     # N.B. `object.__setattr__` and `object.__delattr__` are heavily special-cased by type checkers.
     # Overriding them in subclasses has different semantics, even if the override has an identical signature.
     def __setattr__(self, name: str, value: Any, /) -> None: ...