Manual changes of Any union to Incomplete in stubs folder (#9566)

- ClassVar[Any | None]
- Missed previous changes due to alias
- Manual review of leftover Any unions (`| Any` and `Any |`)

stubs/parsimonious/parsimonious/grammar.pyi

@@ -1,4 +1,5 @@
 import collections.abc
+from _typeshed import Incomplete
 from collections import OrderedDict
 from collections.abc import Callable, Mapping
 from typing import Any, NoReturn
@@ -7,7 +8,7 @@ from parsimonious.expressions import _CALLABLE_TYPE, Expression, Literal, Lookah
 from parsimonious.nodes import Node, NodeVisitor
 
 class Grammar(OrderedDict[str, Expression]):
-    default_rule: Expression | Any
+    default_rule: Expression | Incomplete
     def __init__(self, rules: str = ..., **more_rules: Expression | _CALLABLE_TYPE) -> None: ...
     def default(self, rule_name: str) -> Grammar: ...
     def parse(self, text: str, pos: int = ...) -> Node: ...

stubs/parsimonious/parsimonious/nodes.pyi

@@ -1,3 +1,4 @@
+from _typeshed import Incomplete
 from collections.abc import Callable, Iterator, Sequence
 from re import Match
 from typing import Any, NoReturn, TypeVar
@@ -27,7 +28,7 @@ class RegexNode(Node):
 class RuleDecoratorMeta(type): ...
 
 class NodeVisitor(metaclass=RuleDecoratorMeta):
-    grammar: Grammar | Any
+    grammar: Grammar | Incomplete
     unwrapped_exceptions: tuple[type[BaseException], ...]
     def visit(self, node: Node) -> Any: ...
     def generic_visit(self, node: Node, visited_children: Sequence[Any]) -> NoReturn: ...