From 9bd78ed483c37bdc07d553550672276db0a2c4ef Mon Sep 17 00:00:00 2001
From: William Fu-Hinthorn <13333726+hinthornw@users.noreply.github.com>
Date: Tue, 1 Apr 2025 05:29:05 -0700
Subject: [PATCH] Allow blocking in dev

Signed-off-by: William Fu-Hinthorn <13333726+hinthornw@users.noreply.github.com>
---
 libs/cli/langgraph_cli/cli.py | 8 ++++++++
 libs/cli/pyproject.toml       | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/libs/cli/langgraph_cli/cli.py b/libs/cli/langgraph_cli/cli.py
index 12f9ec57e..fd1cb2988 100644
--- a/libs/cli/langgraph_cli/cli.py
+++ b/libs/cli/langgraph_cli/cli.py
@@ -580,6 +580,12 @@ def dockerfile(save_path: str, config: pathlib.Path, add_docker_compose: bool) -
     default=None,
     help="URL of the LangGraph Studio instance to connect to. Defaults to https://smith.langchain.com",
 )
+@click.option(
+    "--allow-blocking",
+    is_flag=True,
+    help="Don't raise errors for synchronous I/O blocking operations in your code.",
+    default=False,
+)
 @cli.command(
     "dev",
     help="🏃‍♀️‍➡️ Run LangGraph API server in development mode with hot reloading and debugging support",
@@ -595,6 +601,7 @@ def dev(
     debug_port: Optional[int],
     wait_for_client: bool,
     studio_url: Optional[str],
+    allow_blocking: bool,
 ):
     """CLI entrypoint for running the LangGraph API server."""
     try:
@@ -659,6 +666,7 @@ def dev(
         auth=config_json.get("auth"),
         http=config_json.get("http"),
         studio_url=studio_url,
+        allow_blocking=allow_blocking,
     )
 
 
diff --git a/libs/cli/pyproject.toml b/libs/cli/pyproject.toml
index 31b6f1b69..1b1da4e97 100644
--- a/libs/cli/pyproject.toml
+++ b/libs/cli/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph-cli"
-version = "0.1.81"
+version = "0.1.82"
 description = "CLI for interacting with LangGraph API"
 authors = []
 license = "MIT"