Merge pull request #178 from UiPath/fix/load_dotenv

feat(load_dotenv): remove load_dotenv()

Author: giuliastf

pyproject.toml

@@ -1,11 +1,11 @@
 [project]
 name = "uipath-langchain"
-version = "0.0.130"
+version = "0.0.131"
 description = "UiPath Langchain"
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.10"
 dependencies = [
-    "uipath>=2.1.49, <2.2.0",
+    "uipath>=2.1.54, <2.2.0",
     "langgraph>=0.5.0, <0.7.0",
     "langchain-core>=0.3.34",
     "langgraph-checkpoint-sqlite>=2.0.3",

samples/retrieval-chain/main.py

@@ -6,7 +6,6 @@
 from pprint import pprint
 from typing import Any
 
-from dotenv import find_dotenv, load_dotenv
 from langchain_core.language_models.chat_models import BaseChatModel
 from langchain_core.output_parsers import StrOutputParser
 from langchain_core.prompts import ChatPromptTemplate
@@ -68,7 +67,6 @@ def retrieval_chain(query: str) -> dict[str, Any]:
 
 
 async def main(input_data: MainInput):
-    load_dotenv(find_dotenv())
 
     """Run a simple example of ContextGroundingVectorStore."""
     vectorstore = ContextGroundingVectorStore(

samples/simple-remote-mcp/main.py

@@ -1,4 +1,3 @@
-import dotenv
 import os
 from contextlib import asynccontextmanager
 from langgraph.prebuilt import create_react_agent
@@ -7,7 +6,6 @@
 from mcp import ClientSession
 from mcp.client.streamable_http import streamablehttp_client
 
-dotenv.load_dotenv()
 
 @asynccontextmanager
 async def make_graph():

src/uipath_langchain/_cli/_utils/_graph.py

@@ -8,7 +8,6 @@
 from pathlib import Path
 from typing import Any, Dict, List, Optional, Union, cast
 
-from dotenv import load_dotenv
 from langgraph.graph import StateGraph
 from langgraph.graph.state import CompiledStateGraph
 
@@ -161,18 +160,6 @@ def load_config(self) -> Dict[str, Any]:
                     f"Missing required fields in langgraph.json: {missing_fields}"
                 )
 
-            if env_file := config.get("env"):
-                env_path = os.path.abspath(os.path.normpath(env_file))
-                if os.path.exists(env_path):
-                    if not load_dotenv(env_path):
-                        # log warning only if dotenv is not empty
-                        if os.path.getsize(env_path) > 0:
-                            logger.warning(
-                                f"Could not load environment variables from {env_path}"
-                            )
-                    else:
-                        logger.debug(f"Loaded environment variables from {env_path}")
-
             self._config = config
             self._load_graphs()
             return config