From 7cbd2b840f4b805d0c2d4ffe0a940d50f2d3de7c Mon Sep 17 00:00:00 2001
From: Adrian Rumpold <a.rumpold@gmail.com>
Date: Thu, 9 Mar 2023 09:46:16 +0100
Subject: [PATCH] fix: Make FlyteFile compatible with Annotated[...,
 HashMethod]

See issue #3424
---
 flytekit/types/file/file.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/flytekit/types/file/file.py b/flytekit/types/file/file.py
index 6537f85cae9..3d4453cf6c0 100644
--- a/flytekit/types/file/file.py
+++ b/flytekit/types/file/file.py
@@ -272,6 +272,10 @@ def to_literal(
         if python_val is None:
             raise TypeTransformerFailedError("None value cannot be converted to a file.")
 
+        # Correctly handle `Annotated[FlyteFile, ...]` by extracting the origin type
+        if typing.get_origin(python_type) is typing.Annotated:
+            python_type = typing.get_args(python_type)[0]
+
         if not (python_type is os.PathLike or issubclass(python_type, FlyteFile)):
             raise ValueError(f"Incorrect type {python_type}, must be either a FlyteFile or os.PathLike")