Update app.py

app.py

@@ -30,7 +30,7 @@ from langchain_huggingface import HuggingFacePipeline
 
 # Optional: Set HF Token if needed-allWrite
 os.environ['HUGGINGFACEHUB_API_TOKEN'] = os.getenv("HF_TOKEN")
-
+api = HfApi(token=os.getenv("HF_TOKEN"))  # Replace with your token
 # Initialize embedding model
 embedding_model = HuggingFaceEmbeddings(model_name="all-MiniLM-L6-v2")
 
@@ -249,6 +249,7 @@ def upload_and_prepare(file,user):
   else:
     mm="❌ Unauthorized User"
   # After successful upload
+  api = HfApi(token=os.getenv("HF_TOKEN"))  # Replace with your token
   pdf_files = api.list_repo_files(repo_id, repo_type="dataset")
   pdf_links = "\n".join([f"• [📄 {f}](https://huggingface.co/datasets/{repo_id}/resolve/main/{f})" 
                       for f in pdf_files if f.endswith('.pdf')])