Update app.py

app.py

@@ -4,7 +4,6 @@ import PyPDF2
 import pandas as pd
 import openai
 import docx
-import requests
 import json
 from docx import Document
 from langchain_community.embeddings import OpenAIEmbeddings
@@ -14,7 +13,10 @@ from langchain.text_splitter import RecursiveCharacterTextSplitter
 
 def detect_language(text):
     """Detects the language of the input text using OpenAI."""
-    client = openai.OpenAI()
+    api_key = os.getenv("OPENAI_API_KEY")
+    if not api_key:
+        raise ValueError("API Key da OpenAI não definida. Configure a variável de ambiente OPENAI_API_KEY.")
+    client = openai.Client(api_key=api_key)
     response = client.chat.completions.create(
         model="gpt-3.5-turbo",
         messages=[
@@ -24,9 +26,6 @@ def detect_language(text):
     )
     return response.choices[0].message.content.strip()
 
-# Set up OpenAI API key (replace with your key)
-openai.api_key = os.getenv("OPENAI_API_KEY")
-
 def extract_files_from_folder(folder_path):
     """Scans a folder and its subfolders for PDF, TXT, CSV, DOCX, and IPYNB files."""
     extracted_files = {"pdf": [], "txt": [], "csv": [], "docx": [], "ipynb": []}
@@ -110,7 +109,10 @@ def combine_text_from_files(extracted_files):
 
 def generate_response(question, text):
     """Uses OpenAI to answer a question based on extracted text."""
-    client = openai.OpenAI()
+    api_key = os.getenv("OPENAI_API_KEY")
+    if not api_key:
+        raise ValueError("API Key da OpenAI não definida. Configure a variável de ambiente OPENAI_API_KEY.")
+    client = openai.Client(api_key=api_key)
     response = client.chat.completions.create(
         model="gpt-3.5-turbo",
         messages=[