fix: correct missing dependencies in requirements.txt and imports

04_langchain_basics/02_prompt.py

@@ -8,18 +8,3 @@ prompt = ChatPromptTemplate.from_messages([
 # 格式化输出
 formatted_prompt = prompt.invoke({"input":"你好喵"})
 print(formatted_prompt)
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05_langchain_advanced/06_streaming.py

@@ -1,3 +1,5 @@
+# 目前：已经测试到05_文件夹，代码测试完毕能跑通，但新旧写法尚未确定，明天要改写法+改博客
+
 from config import OPENAI_API_KEY
 from langchain_openai import ChatOpenAI
 from langchain_classic.agents import AgentExecutor

09_langgraph_advanced/03_multi_agent_orchestration.py

@@ -3,7 +3,7 @@ from config import OPENAI_API_KEY,LANGCHAIN_API_KEY
 from langchain_openai import ChatOpenAI
 from langchain.tools import tool
 from langchain_core.messages import HumanMessage, SystemMessage
-from langgraph.graph import StateGraph, MessagesState, START, END
+from langgraph.graph import StateGraph, START, END
 from langgraph.prebuilt import ToolNode
 from typing import TypedDict # 定义数据类型
 from typing import Annotated # 注释说明细节

requirements.txt

@@ -1,14 +1,14 @@
-huggingface_hub==0.36.0
-langchain==1.0.7
+huggingface_hub==1.1.5
+langchain==1.1.0
 langchain_chroma==1.0.0
 langchain_classic==1.0.0
 langchain_community==0.4.1
-langchain_core==1.0.5
+langchain_core==1.1.0
 langchain_huggingface==1.0.1
 langchain_openai==1.0.3
 langchain_text_splitters==1.0.0
-langgraph==1.0.3
-langsmith==0.4.43
-openai==2.8.0
+langgraph==1.0.4
+langsmith==0.4.46
+openai==2.8.1
 python-dotenv==1.2.1
 Requests==2.32.5