From b1acf8d93102cd2105a3ca78387098bcd9026d7c Mon Sep 17 00:00:00 2001
From: Mason Daugherty <mason@langchain.dev>
Date: Wed, 8 Oct 2025 14:50:44 -0400
Subject: [PATCH] chore: fix dropdown default open admonition in refs (#33354)

---
 libs/langchain/langchain_classic/chat_models/base.py | 3 +--
 libs/langchain/langchain_classic/embeddings/base.py  | 3 +--
 libs/langchain_v1/langchain/chat_models/base.py      | 9 ++++-----
 libs/langchain_v1/langchain/embeddings/base.py       | 3 +--
 libs/partners/ollama/langchain_ollama/chat_models.py | 3 +--
 5 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/libs/langchain/langchain_classic/chat_models/base.py b/libs/langchain/langchain_classic/chat_models/base.py
index 2bc4e3171a3..d0ffb2002f1 100644
--- a/libs/langchain/langchain_classic/chat_models/base.py
+++ b/libs/langchain/langchain_classic/chat_models/base.py
@@ -168,8 +168,7 @@ def init_chat_model(
         ValueError: If model_provider cannot be inferred or isn't supported.
         ImportError: If the model provider integration package is not installed.
 
-    ??? note "Init non-configurable model"
-        :open:
+    ???+ note "Init non-configurable model"
 
         .. code-block:: python
 
diff --git a/libs/langchain/langchain_classic/embeddings/base.py b/libs/langchain/langchain_classic/embeddings/base.py
index a8a62ac084d..887a3c33efe 100644
--- a/libs/langchain/langchain_classic/embeddings/base.py
+++ b/libs/langchain/langchain_classic/embeddings/base.py
@@ -155,8 +155,7 @@ def init_embeddings(
         ValueError: If the model provider is not supported or cannot be determined
         ImportError: If the required provider package is not installed
 
-    ??? note "Example Usage"
-        :open:
+    ???+ note "Example Usage"
 
         .. code-block:: python
 
diff --git a/libs/langchain_v1/langchain/chat_models/base.py b/libs/langchain_v1/langchain/chat_models/base.py
index 91ce6b668aa..618ebd681c4 100644
--- a/libs/langchain_v1/langchain/chat_models/base.py
+++ b/libs/langchain_v1/langchain/chat_models/base.py
@@ -32,7 +32,7 @@ def init_chat_model(
     model: str,
     *,
     model_provider: str | None = None,
-    configurable_fields: Literal[None] = None,
+    configurable_fields: None = None,
     config_prefix: str | None = None,
     **kwargs: Any,
 ) -> BaseChatModel: ...
@@ -40,10 +40,10 @@ def init_chat_model(
 
 @overload
 def init_chat_model(
-    model: Literal[None] = None,
+    model: None = None,
     *,
     model_provider: str | None = None,
-    configurable_fields: Literal[None] = None,
+    configurable_fields: None = None,
     config_prefix: str | None = None,
     **kwargs: Any,
 ) -> _ConfigurableModel: ...
@@ -163,8 +163,7 @@ def init_chat_model(
         ValueError: If model_provider cannot be inferred or isn't supported.
         ImportError: If the model provider integration package is not installed.
 
-    ??? note "Init non-configurable model"
-        :open:
+    ???+ note "Init non-configurable model"
 
         .. code-block:: python
 
diff --git a/libs/langchain_v1/langchain/embeddings/base.py b/libs/langchain_v1/langchain/embeddings/base.py
index 05559f7cd32..598b721d153 100644
--- a/libs/langchain_v1/langchain/embeddings/base.py
+++ b/libs/langchain_v1/langchain/embeddings/base.py
@@ -151,8 +151,7 @@ def init_embeddings(
         ValueError: If the model provider is not supported or cannot be determined
         ImportError: If the required provider package is not installed
 
-    ??? note "Example Usage"
-        :open:
+    ???+ note "Example Usage"
 
         .. code-block:: python
 
diff --git a/libs/partners/ollama/langchain_ollama/chat_models.py b/libs/partners/ollama/langchain_ollama/chat_models.py
index 491ea132e5a..3baf00942ea 100644
--- a/libs/partners/ollama/langchain_ollama/chat_models.py
+++ b/libs/partners/ollama/langchain_ollama/chat_models.py
@@ -257,8 +257,7 @@ def _is_pydantic_class(obj: Any) -> bool:
 class ChatOllama(BaseChatModel):
     r"""Ollama chat model integration.
 
-    ??? note "Setup"
-        :open:
+    ???+ note "Setup"
 
         Install ``langchain-ollama`` and download any models you want to use from ollama.