From a94e22c7de48a6dbe02f641413c101bec3fbd032 Mon Sep 17 00:00:00 2001 From: Stephan Schellworth Date: Tue, 3 Feb 2026 10:28:07 +0100 Subject: [PATCH] fix: pin LangChain stack versions to avoid pip backtracking (build hang) --- requirements.txt | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/requirements.txt b/requirements.txt index 28d61715..14dc5d0e 100644 --- a/requirements.txt +++ b/requirements.txt @@ -111,8 +111,8 @@ geopandas>=0.14.0 # For reading and querying GeoPackage files fiona>=1.9.0 # Required by geopandas for reading GeoPackage files ## LangChain & LangGraph for chatbot workflow -langchain>=0.1.0 -langchain-core>=0.1.0 -langgraph>=0.0.20 -langchain-tavily>=0.0.1 +langchain==1.2.8 +langchain-core==1.2.8 +langgraph==1.0.7 +langchain-tavily==0.2.17 nest-asyncio>=1.6.0 # For running async code in sync context (LangGraph compatibility) \ No newline at end of file