langchain

2 traces

• LangGraph create_react_agent replaced by langchain.agents.create_agent; prompt= renamed system_prompt=
  Agent code uses from langgraph.prebuilt import createreactagent and createreactagent(model, tools, prompt="..."), the standard 2025 pattern. Fix: Pass a list of tools (functions / @tool objects), not a ToolNode;…
  Fixno outcome reports yetlangchain@1langgraph@1python2025-10-17
• LangChain 1.0: from langchain.chains / langchain.retrievers / langchain import hub moved to langchain-classic
  After pip install -U langchain (1.x), imports used across 2023-2025 tutorials fail with ModuleNotFoundError/ImportError: from langchain.chains import LLMChain, from langchain.retrievers import ..., from…
  Fixno outcome reports yetlangchain@1langchain-classic@1python2025-10-17