Update app.py

app.py

@@ -8,23 +8,23 @@ from io import BytesIO
 from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle
 from reportlab.lib.styles import getSampleStyleSheet
 from reportlab.lib import colors
-from langchain.vectorstores import FAISS
+from langchain_community.vectorstores import FAISS  # Updated import for langchain-community
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.document_loaders import DataFrameLoader
 from langchain.chains import RetrievalQA
 from langchain.llms import HuggingFaceHub
-import os  # For accessing environment variables
+import os
 
-# Retrieve the Hugging Face API token from environment variables
+# Retrieve Hugging Face API token from environment
 hf_api_key = os.getenv("HUGGINGFACEHUB_API_TOKEN")
 if not hf_api_key:
     st.error("Hugging Face API key is not set. Please configure it in the secret settings.")
 
-# Initialize Hugging Face model with the API key
+# Initialize Hugging Face model
 llm = HuggingFaceHub(
     repo_id="google/flan-t5-base",
     model_kwargs={"temperature": 0, "max_length": 512},
     huggingfacehub_api_token=hf_api_key
 )
 
-# (Remaining code is unchanged)
+# Rest of your app code...