fix: Forwards __annotations__ to the fake func for FunctionTool inspection

Jacksunwei · copybara-github · commit 9abb8414da10 · 2025-06-05T23:07:24.000-07:00
PiperOrigin-RevId: 767926726
diff --git a/src/google/adk/tools/_automatic_function_calling_util.py b/src/google/adk/tools/_automatic_function_calling_util.py
@@ -230,6 +230,7 @@ def build_function_declaration(
       )
       new_func.__signature__ = new_sig
       new_func.__doc__ = func.__doc__
+      new_func.__annotations__ = func.__annotations__
 
   return (
       from_function_with_options(func, variant)

Original file line number	Diff line number	Diff line change
`@@ -230,6 +230,7 @@ def build_function_declaration(`
`230`	`230`	`)`
`231`	`231`	`new_func.__signature__ = new_sig`
`232`	`232`	`new_func.__doc__ = func.__doc__`
	`233`	`+ new_func.__annotations__ = func.__annotations__`
`233`	`234`
`234`	`235`	`return (`
`235`	`236`	`from_function_with_options(func, variant)`