Code cleaning

api.py

@@ -1,7 +1,7 @@
 from fastapi import FastAPI
-import qdrant_client
+#import qdrant_client
 from langchain_community.embeddings import HuggingFaceEmbeddings
-from langchain_core.messages import HumanMessage
+#from langchain_core.messages import HumanMessage
 from langchain_qdrant import Qdrant
 from qdrant_client import QdrantClient
 from pydantic import BaseModel
@@ -10,7 +10,7 @@
 import environment_var
 import os
 from openai import OpenAI
-from langgraph.graph import END, MessageGraph
+#from langgraph.graph import END, MessageGraph
 
 class Item(BaseModel):
     query: str
@@ -33,7 +33,7 @@ def __init__(self, query: str) -> None:
 if environment_var.nvidia_key !="":
     client_ai = OpenAI(
         base_url="https://integrate.api.nvidia.com/v1",
-        api_key="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"
+        api_key=environment_var.nvidia_key
     )
     use_nvidia_api = True
 elif use_quantized:

index.py

@@ -1,4 +1,3 @@
-import qdrant_client
 import PyPDF2
 from os import listdir
 from os.path import isfile, join,isdir

user_interface.py

@@ -1,5 +1,4 @@
 import re
-from pathlib import Path
 import streamlit as st
 import requests
 import json