trial move pydantic v1

libs/langchain/langchain/__init__.py

@@ -1,8 +1,12 @@
 # ruff: noqa: E402
 """Main entrypoint into package."""
+from pkgutil import extend_path
+__path__ = extend_path(__path__, __name__)
+
 from importlib import metadata
 from typing import Optional
 
+
 from langchain.agents import MRKLChain, ReActChain, SelfAskWithSearchChain
 from langchain.chains import (
     ConversationChain,

libs/pydantic_v1/langchain/__init__.py

@@ -0,0 +1,2 @@
+from pkgutil import extend_path
+__path__ = extend_path(__path__, __name__)

libs/pydantic_v1/pyproject.toml

@@ -0,0 +1,12 @@
+[tool.poetry]
+name = "langchain-pydantic_v1"
+version = "0.1"
+description = "..."
+authors = ["foo <foo@bar.com>"]
+packages = [
+    { include = "langchain" },
+]
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"