Update app.py

app.py

@@ -509,16 +509,18 @@ def chatbot_interface(user_query, response_style, selected_retrieval_methods, se
     
     
     
-    if pdf_file is not None:
+     if pdf_file is not None:
+        # Assume `pdf_file` is the path to the file, so no need for `.read()`
         with tempfile.NamedTemporaryFile(mode="wb", suffix=".pdf", delete=False) as tmp:
-            tmp.write(pdf_file.read())  # Write the uploaded file content to the temporary file
-            pdf_path = tmp.name  
+            with open(pdf_file, "rb") as f:  # Open the file in binary mode
+                tmp.write(f.read())  # Write the file content to the temporary file
+            pdf_path = tmp.name  # Store the path of the temporary file
 
-        # Create vector DB and Annoy index 
+        # Create vector DB and Annoy index
         create_vector_db_and_annoy_index(pdf_path, vector_db_path, annoy_index_path)
         store_embeddings_in_vector_db(pdf_path, 'vector_db.pkl', 'vector_index.ann', chunk_size, overlap)
     else:
-        return "Please upload a PDF file." 
+        return "Please upload a PDF file."
     # if pdf_file is not None:
     #     pdf_path = pdf_file.name  # Get the path of the uploaded file
     #     create_vector_db_and_annoy_index(pdf_path, 'vector_db.pkl', 'vector_index.ann')