diff --git a/stdlib/shlex.pyi b/stdlib/shlex.pyi
index a979ac077..46998c596 100644
--- a/stdlib/shlex.pyi
+++ b/stdlib/shlex.pyi
@@ -1,6 +1,6 @@
 import sys
 from _typeshed import Self
-from typing import Any, Iterable, TextIO
+from typing import Iterable, TextIO
 
 def split(s: str, comments: bool = ..., posix: bool = ...) -> list[str]: ...
 
@@ -17,7 +17,7 @@ class shlex(Iterable[str]):
     quotes: str
     escapedquotes: str
     whitespace_split: bool
-    infile: str
+    infile: str | None
     instream: TextIO
     source: str
     debug: int
@@ -36,8 +36,7 @@ class shlex(Iterable[str]):
     def push_token(self, tok: str) -> None: ...
     def read_token(self) -> str: ...
     def sourcehook(self, newfile: str) -> tuple[str, TextIO]: ...
-    # TODO argument types
-    def push_source(self, newstream: Any, newfile: Any = ...) -> None: ...
+    def push_source(self, newstream: str | TextIO, newfile: str | None = ...) -> None: ...
     def pop_source(self) -> None: ...
     def error_leader(self, infile: str | None = ..., lineno: int | None = ...) -> None: ...
     def __iter__(self: Self) -> Self: ...