lint

libs/core/langchain_core/tools/base.py

@@ -1250,6 +1250,22 @@ def _is_injected_arg_type(
         `True` if the type is an injected argument, `False` otherwise.
     """
     injected_type = injected_type or InjectedToolArg
+
+    # if the type is a generic alias, check if the origin is a subclass of inj type
+    origin = get_origin(type_)
+    if (
+        origin is not None
+        and isinstance(origin, type)
+        and issubclass(origin, injected_type)
+    ):
+        return True
+
+    # check if the type is a subclass of the injected type
+    if isinstance(type_, type) and issubclass(type_, injected_type):
+        return True
+
+    # if the type is an Annotated type, check if any of the annotations
+    # are a subclass of the injected type
     return any(
         isinstance(arg, injected_type)
         or (isinstance(arg, type) and issubclass(arg, injected_type))

libs/langchain_v1/langchain/__init__.py

@@ -1,3 +1,3 @@
 """Main entrypoint into LangChain."""
 
-__version__ = "1.0.0rc1"
+__version__ = "1.0.0rc2"

libs/langchain_v1/pyproject.toml

@@ -13,7 +13,7 @@ dependencies = [
 ]
 
 name = "langchain"
-version = "1.0.0rc1"
+version = "1.0.0rc2"
 description = "Building applications with LLMs through composability"
 readme = "README.md"
 

libs/langchain_v1/uv.lock

@@ -1550,7 +1550,7 @@ wheels = [
 
 [[package]]
 name = "langchain"
-version = "1.0.0rc1"
+version = "1.0.0rc2"
 source = { editable = "." }
 dependencies = [
     { name = "langchain-core" },