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myenv/lib/python3.10/site-packages/PIL/_util.py

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+from __future__ import annotations
+
+import os
+from typing import Any, NoReturn
+
+from ._typing import StrOrBytesPath, TypeGuard
+
+
+def is_path(f: Any) -> TypeGuard[StrOrBytesPath]:
+    return isinstance(f, (bytes, str, os.PathLike))
+
+
+class DeferredError:
+    def __init__(self, ex: BaseException):
+        self.ex = ex
+
+    def __getattr__(self, elt: str) -> NoReturn:
+        raise self.ex
+
+    @staticmethod
+    def new(ex: BaseException) -> Any:
+        """
+        Creates an object that raises the wrapped exception ``ex`` when used,
+        and casts it to :py:obj:`~typing.Any` type.
+        """
+        return DeferredError(ex)