From 84643b2789aeda6adb019cb6e2923798fe63e1fe Mon Sep 17 00:00:00 2001
From: Vadym Barda <vadym@langchain.dev>
Date: Wed, 11 Sep 2024 17:59:12 -0400
Subject: [PATCH] langgraph: update core & snapshots (#1689)

---
 libs/langgraph/poetry.lock                    |  12 +-
 libs/langgraph/pyproject.toml                 |   2 +-
 .../tests/__snapshots__/test_pregel.ambr      | 132 +++++++-----------
 .../__snapshots__/test_pregel_async.ambr      |  20 +--
 4 files changed, 68 insertions(+), 98 deletions(-)

diff --git a/libs/langgraph/poetry.lock b/libs/langgraph/poetry.lock
index 085c27366..b9c425218 100644
--- a/libs/langgraph/poetry.lock
+++ b/libs/langgraph/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "aiosqlite"
@@ -1232,18 +1232,18 @@ files = [
 
 [[package]]
 name = "langchain-core"
-version = "0.2.38"
+version = "0.2.39"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langchain_core-0.2.38-py3-none-any.whl", hash = "sha256:8a5729bc7e68b4af089af20eff44fe4e7ca21d0e0c87ec21cef7621981fd1a4a"},
-    {file = "langchain_core-0.2.38.tar.gz", hash = "sha256:eb69dbedd344f2ee1f15bcea6c71a05884b867588fadc42d04632e727c1238f3"},
+    {file = "langchain_core-0.2.39-py3-none-any.whl", hash = "sha256:5a5ad4e1c02d13e7021c026b2c7965069ad71ef67b018274cd52bab56e39143e"},
+    {file = "langchain_core-0.2.39.tar.gz", hash = "sha256:73d7b6f0b0212bc8069c3640d69e8d75faa51097784019ffa5c36c617c04acb0"},
 ]
 
 [package.dependencies]
 jsonpatch = ">=1.33,<2.0"
-langsmith = ">=0.1.75,<0.2.0"
+langsmith = ">=0.1.112,<0.2.0"
 packaging = ">=23.2,<25"
 pydantic = [
     {version = ">=1,<3", markers = "python_full_version < \"3.12.4\""},
@@ -3159,4 +3159,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9.0,<4.0"
-content-hash = "ea51ea9d9a33ea282b72e48ab84e1c07533ab5fee04ff7b1672599e38902e74d"
+content-hash = "d0a7dd0a9bb6c125398545644e1e673c4ef677a36285988d4a607da474697672"
diff --git a/libs/langgraph/pyproject.toml b/libs/langgraph/pyproject.toml
index fe29bbbf5..2db108922 100644
--- a/libs/langgraph/pyproject.toml
+++ b/libs/langgraph/pyproject.toml
@@ -9,7 +9,7 @@ repository = "https://www.github.com/langchain-ai/langgraph"
 
 [tool.poetry.dependencies]
 python = ">=3.9.0,<4.0"
-langchain-core = ">=0.2.38,<0.4"
+langchain-core = ">=0.2.39,<0.4"
 langgraph-checkpoint = "^1.0.2"
 
 
diff --git a/libs/langgraph/tests/__snapshots__/test_pregel.ambr b/libs/langgraph/tests/__snapshots__/test_pregel.ambr
index b1137d70a..b2da32b65 100644
--- a/libs/langgraph/tests/__snapshots__/test_pregel.ambr
+++ b/libs/langgraph/tests/__snapshots__/test_pregel.ambr
@@ -1,16 +1,4 @@
 # serializer version: 1
-# name: test_branch_then
-  '''
-  graph TD;
-  	__start__ --> prepare;
-  	finish --> __end__;
-  	prepare -.-> tool_two_slow;
-  	tool_two_slow --> finish;
-  	prepare -.-> tool_two_fast;
-  	tool_two_fast --> finish;
-  
-  '''
-# ---
 # name: test_branch_then.1
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
@@ -49,12 +37,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	prepare(prepare)
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
   	finish(finish)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> prepare;
   	finish --> __end__;
   	prepare -.-> tool_two_slow;
@@ -83,12 +71,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	prepare(prepare)
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
   	finish(finish)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> prepare;
   	finish --> __end__;
   	prepare -.-> tool_two_slow;
@@ -117,12 +105,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	prepare(prepare)
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
   	finish(finish)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> prepare;
   	finish --> __end__;
   	prepare -.-> tool_two_slow;
@@ -151,12 +139,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	prepare(prepare)
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
   	finish(finish)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> prepare;
   	finish --> __end__;
   	prepare -.-> tool_two_slow;
@@ -185,12 +173,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	prepare(prepare)
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
   	finish(finish)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> prepare;
   	finish --> __end__;
   	prepare -.-> tool_two_slow;
@@ -4629,10 +4617,10 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	inner(inner)
   	side(side)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> inner;
   	inner --> side;
   	side --> __end__;
@@ -4771,14 +4759,14 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	tool_one(tool_one)
-  	tool_two___start__(__start__)
+  	tool_two___start__(<p>__start__</p>)
   	tool_two_tool_two_slow(tool_two_slow)
   	tool_two_tool_two_fast(tool_two_fast)
-  	tool_two___end__(__end__)
+  	tool_two___end__(<p>__end__</p>)
   	tool_three(tool_three)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ -.-> tool_one;
   	tool_one --> __end__;
   	__start__ -.-> tool_two___start__;
@@ -4965,15 +4953,15 @@
   '''
   graph TD;
   	__start__ --> Researcher;
-  	Researcher -. &nbspcontinue&nbsp .-> Chart_Generator;
-  	Researcher -. &nbspcall_tool&nbsp .-> Call_Tool;
-  	Researcher -. &nbspend&nbsp .-> __end__;
-  	Chart_Generator -. &nbspcontinue&nbsp .-> Researcher;
-  	Chart_Generator -. &nbspcall_tool&nbsp .-> Call_Tool;
-  	Chart_Generator -. &nbspend&nbsp .-> __end__;
+  	Researcher -. &nbsp;continue&nbsp; .-> Chart_Generator;
+  	Researcher -. &nbsp;call_tool&nbsp; .-> Call_Tool;
+  	Researcher -. &nbsp;end&nbsp; .-> __end__;
+  	Chart_Generator -. &nbsp;continue&nbsp; .-> Researcher;
+  	Chart_Generator -. &nbsp;call_tool&nbsp; .-> Call_Tool;
+  	Chart_Generator -. &nbsp;end&nbsp; .-> __end__;
   	Call_Tool -.-> Researcher;
   	Call_Tool -.-> Chart_Generator;
-  	Researcher -. &nbspredo&nbsp .-> Researcher;
+  	Researcher -. &nbsp;redo&nbsp; .-> Researcher;
   
   '''
 # ---
@@ -4989,32 +4977,14 @@
   
   '''
 # ---
-# name: test_start_branch_then
-  '''
-  %%{init: {'flowchart': {'curve': 'linear'}}}%%
-  graph TD;
-  	__start__([__start__]):::first
-  	tool_two_slow(tool_two_slow)
-  	tool_two_fast(tool_two_fast)
-  	__end__([__end__]):::last
-  	__start__ -.-> tool_two_slow;
-  	tool_two_slow --> __end__;
-  	__start__ -.-> tool_two_fast;
-  	tool_two_fast --> __end__;
-  	classDef default fill:#f2f0ff,line-height:1.2
-  	classDef first fill-opacity:0
-  	classDef last fill:#bfb6fc
-  
-  '''
-# ---
 # name: test_start_branch_then[memory]
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ -.-> tool_two_slow;
   	tool_two_slow --> __end__;
   	__start__ -.-> tool_two_fast;
@@ -5029,10 +4999,10 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ -.-> tool_two_slow;
   	tool_two_slow --> __end__;
   	__start__ -.-> tool_two_fast;
@@ -5047,10 +5017,10 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ -.-> tool_two_slow;
   	tool_two_slow --> __end__;
   	__start__ -.-> tool_two_fast;
@@ -5065,10 +5035,10 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ -.-> tool_two_slow;
   	tool_two_slow --> __end__;
   	__start__ -.-> tool_two_fast;
@@ -5083,10 +5053,10 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	tool_two_slow(tool_two_slow)
   	tool_two_fast(tool_two_fast)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ -.-> tool_two_slow;
   	tool_two_slow --> __end__;
   	__start__ -.-> tool_two_fast;
@@ -5128,12 +5098,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -5153,12 +5123,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -5178,12 +5148,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -5203,12 +5173,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -5228,12 +5198,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -5253,22 +5223,22 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	p_one(p_one)
-  	p_two___start__(__start__)
+  	p_two___start__(<p>__start__</p>)
   	p_two_c_one(c_one)
   	p_two_c_two(c_two)
-  	p_two___end__(__end__)
-  	__end__([__end__]):::last
+  	p_two___end__(<p>__end__</p>)
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> p_one;
   	p_two___end__ --> p_one;
-  	p_one -. &nbsp0&nbsp .-> p_two___start__;
-  	p_one -. &nbsp1&nbsp .-> __end__;
+  	p_one -. &nbsp;0&nbsp; .-> p_two___start__;
+  	p_one -. &nbsp;1&nbsp; .-> __end__;
   	subgraph p_two
   	p_two___start__ --> p_two_c_one;
   	p_two_c_two --> p_two_c_one;
-  	p_two_c_one -. &nbsp0&nbsp .-> p_two_c_two;
-  	p_two_c_one -. &nbsp1&nbsp .-> p_two___end__;
+  	p_two_c_one -. &nbsp;0&nbsp; .-> p_two_c_two;
+  	p_two_c_one -. &nbsp;1&nbsp; .-> p_two___end__;
   	end
   	classDef default fill:#f2f0ff,line-height:1.2
   	classDef first fill-opacity:0
diff --git a/libs/langgraph/tests/__snapshots__/test_pregel_async.ambr b/libs/langgraph/tests/__snapshots__/test_pregel_async.ambr
index 1b0f6c41d..0acb4d0a8 100644
--- a/libs/langgraph/tests/__snapshots__/test_pregel_async.ambr
+++ b/libs/langgraph/tests/__snapshots__/test_pregel_async.ambr
@@ -1198,12 +1198,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -1223,12 +1223,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -1248,12 +1248,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -1273,12 +1273,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;
@@ -1298,12 +1298,12 @@
   '''
   %%{init: {'flowchart': {'curve': 'linear'}}}%%
   graph TD;
-  	__start__([__start__]):::first
+  	__start__([<p>__start__</p>]):::first
   	router_node(router_node)
   	normal_llm_node(normal_llm_node)
   	weather_graph_model_node(model_node)
   	weather_graph_weather_node(weather_node<hr/><small><em>__interrupt = before</em></small>)
-  	__end__([__end__]):::last
+  	__end__([<p>__end__</p>]):::last
   	__start__ --> router_node;
   	normal_llm_node --> __end__;
   	weather_graph_weather_node --> __end__;