Update app.py

app.py

@@ -25,12 +25,15 @@ os.environ["HF_HUB_CACHE"] = "/tmp/huggingface/hf_cache"
 os.environ["HF_HUB_DOWNLOAD_TIMEOUT"] = "60"
 
 # Load Required Modules 
-from langchain.embeddings import HuggingFaceEmbeddings
+# from langchain.embeddings import HuggingFaceEmbeddings
+from langchain_huggingface import HuggingFaceEmbeddings
 from langchain.vectorstores import Chroma, FAISS
 from langchain.chains import RetrievalQA
 from langchain.prompts import PromptTemplate
-from langchain.llms import HuggingFacePipeline
-from langchain.chat_models import ChatOpenAI
+# from langchain.llms import HuggingFacePipeline
+from langchain_huggingface import HuggingFacePipeline
+# from langchain.chat_models import ChatOpenAI
+from langchain_openai import ChatOpenAI
 from langchain.chains import ConversationalRetrievalChain
 from langchain.memory import ConversationBufferMemory
 from langchain_community.document_loaders import PyPDFLoader, TextLoader, UnstructuredWordDocumentLoader
@@ -408,6 +411,7 @@ def get_time_tool(query: str) -> str:
 
 @tool("time_tl")
 def time_tool(query: str) -> str:
+    """Time Agent: Answer time or date queries worldwide using LLM + GeoLocator + TimezoneFinder."""
     # use GPT to find location keyword
     try:
         location_prompt = f"""