Update app.py

app.py

@@ -4,7 +4,6 @@ import os
 import torch
 from dotenv import load_dotenv
 from langchain_community.vectorstores import Qdrant
-from langchain_huggingface import HuggingFaceEmbeddings
 from langchain.prompts import ChatPromptTemplate
 from langchain.schema.runnable import RunnablePassthrough
 from langchain.schema.output_parser import StrOutputParser
@@ -16,15 +15,11 @@ from typing import List, Tuple, Generator
 from dataclasses import dataclass
 from datetime import datetime
 from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
-from langchain_huggingface.llms import HuggingFacePipeline
-from langchain_cerebras import ChatCerebras
+
 from queue import Queue
 from threading import Thread
 from langchain.chains import LLMChain
 from langchain_core.prompts import PromptTemplate
-from langchain_huggingface import HuggingFaceEndpoint
-from langchain_google_genai import ChatGoogleGenerativeAI
-
 # Configure logging
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)