diff --git a/src/anthropic/_files.py b/src/anthropic/_files.py
index f2a6f94e..ee69d8d1 100644
--- a/src/anthropic/_files.py
+++ b/src/anthropic/_files.py
@@ -25,9 +25,7 @@ def is_base64_file_input(obj: object) -> TypeGuard[Base64FileInput]:
 
 
 def is_file_content(obj: object) -> TypeGuard[FileContent]:
-    return (
-        isinstance(obj, bytes) or isinstance(obj, tuple) or isinstance(obj, io.IOBase) or isinstance(obj, os.PathLike)
-    )
+    return isinstance(obj, bytes) or isinstance(obj, io.IOBase) or isinstance(obj, os.PathLike)
 
 
 def assert_is_file_content(obj: object, *, key: str | None = None) -> None: