clean

langgraph_dir/agent.py

@@ -1,3 +1,5 @@
+# env variable needed: HF_TOKEN, OPENAI_API_KEY, BRAVE_SEARCH_API_KEY
+
 import os
 import json
 
@@ -6,7 +8,6 @@ from langchain_openai import ChatOpenAI
 from langgraph.graph import MessagesState
 from langchain_core.messages import SystemMessage, HumanMessage, ToolMessage
 from langgraph.graph import StateGraph, START, END
-from langchain.agents import load_tools
 from langchain_community.tools import BraveSearch
 
 from .prompt import system_prompt

langgraph_dir/config.py

@@ -1,4 +1,4 @@
 # OPENAI_MODEL_NAME = "gpt-4.1-nano"
-# OPENAI_MODEL_NAME = "gpt-4.1-mini"
+OPENAI_MODEL_NAME = "gpt-4.1-mini"
 # OPENAI_MODEL_NAME = "gpt-4.1"
-OPENAI_MODEL_NAME = "o4-mini"
+# OPENAI_MODEL_NAME = "o4-mini"

llamaindex_dir/agent.py

@@ -1,7 +1,9 @@
+# env variable needed: HF_TOKEN
+
 from llama_index.core import PromptTemplate
 from llama_index.core.workflow import Context
 from llama_index.core.agent.workflow import ReActAgent, AgentStream, ToolCallResult
-from llama_index.llms.huggingface_api import HuggingFaceInferenceAPI # customized to support different provider
+from llama_index.llms.huggingface_api import HuggingFaceInferenceAPI
 from llama_index.tools.wikipedia import WikipediaToolSpec
 from llama_index.tools.duckduckgo import DuckDuckGoSearchToolSpec
 from llama_index.tools.code_interpreter import CodeInterpreterToolSpec
@@ -17,7 +19,7 @@ class LLamaIndexAgent:
                  show_prompt=True):
 
         # LLM definition
-        llm = HuggingFaceInferenceAPI(model_name=model_name,
+        llm = HuggingFaceInferenceAPI(model_name=model_name, # needs HF_TOKEN in env
                                       provider=provider)
         print(f"LLamaIndexAgent initialized with model \"{model_name}\"")
 

llamaindex_dir/config.py

@@ -1,8 +1,8 @@
-HF_MODEL_NAME = "google/gemma-3-27b-it"
-HF_PROVIDER = "nebius"
+# HF_MODEL_NAME = "google/gemma-3-27b-it"
+# HF_PROVIDER = "nebius"
 
-# HF_MODEL_NAME = "Qwen/Qwen2.5-Coder-32B-Instruct"
-# HF_PROVIDER = "hf-inference"
+HF_MODEL_NAME = "Qwen/Qwen2.5-Coder-32B-Instruct"
+HF_PROVIDER = "hf-inference"
 
 # HF_MODEL_NAME = "Qwen/Qwen3-32B"
 # HF_PROVIDER = "hf-inference"

requirements.txt

@@ -9,10 +9,10 @@ langchain
 langgraph
 langchain-openai
 langchain-community
+langchain_experimental
 duckduckgo-search
 markdownify
 beautifulsoup4
-langchain_experimental
 pypdf
 youtube-transcript-api
 pytube