gh-108455: Run `mypy` on `Tools/peg_generator` (#108456)

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/Tools/peg_generator/pegen/parser.py b/Tools/peg_generator/pegen/parser.py
index 034e8e6..eab48ef 100644
--- a/Tools/peg_generator/pegen/parser.py
+++ b/Tools/peg_generator/pegen/parser.py
@@ -10,7 +10,6 @@ from typing import Any, Callable, ClassVar, Dict, Optional, Tuple, Type, TypeVar
 from pegen.tokenizer import Mark, Tokenizer, exact_token_types
 
 T = TypeVar("T")
-P = TypeVar("P", bound="Parser")
 F = TypeVar("F", bound=Callable[..., Any])
 
 
@@ -21,7 +20,7 @@ def logger(method: F) -> F:
     """
     method_name = method.__name__
 
-    def logger_wrapper(self: P, *args: object) -> T:
+    def logger_wrapper(self: "Parser", *args: object) -> Any:
         if not self._verbose:
             return method(self, *args)
         argsr = ",".join(repr(arg) for arg in args)
@@ -41,7 +40,7 @@ def memoize(method: F) -> F:
     """Memoize a symbol method."""
     method_name = method.__name__
 
-    def memoize_wrapper(self: P, *args: object) -> T:
+    def memoize_wrapper(self: "Parser", *args: object) -> Any:
         mark = self._mark()
         key = mark, method_name, args
         # Fast path: cache hit, and not verbose.
@@ -74,11 +73,13 @@ def memoize(method: F) -> F:
     return cast(F, memoize_wrapper)
 
 
-def memoize_left_rec(method: Callable[[P], Optional[T]]) -> Callable[[P], Optional[T]]:
+def memoize_left_rec(
+    method: Callable[["Parser"], Optional[T]]
+) -> Callable[["Parser"], Optional[T]]:
     """Memoize a left-recursive symbol method."""
     method_name = method.__name__
 
-    def memoize_left_rec_wrapper(self: P) -> Optional[T]:
+    def memoize_left_rec_wrapper(self: "Parser") -> Optional[T]:
         mark = self._mark()
         key = mark, method_name, ()
         # Fast path: cache hit, and not verbose.