Update app.py

app.py

@@ -251,18 +251,18 @@ class AdvancedRAG:
                         file=file_obj,
                         purpose="assistants"
                     )
-                    self.file_ids.append(file_obj.id)
+                    self.file_ids = [file_obj.id]  # Only the new file
             # Create a new thread for the new document
             thread = openai.beta.threads.create()
             self.thread_id = thread.id
-            # Add the file to the thread
+            # Send a message in the new thread with only the new file as an attachment
             openai.beta.threads.messages.create(
                 thread_id=self.thread_id,
                 role="user",
                 content="I have uploaded a document. Please analyze it.",
-                attachments=[{"file_id": file_obj.id, "tools": [{"type": "file_search"}]}]
+                attachments=[{"file_id": self.file_ids[0], "tools": [{"type": "file_search"}]}]
             )
-            return file_obj.id
+            return self.file_ids[0]
         except Exception as e:
             raise Exception(f"Error uploading document: {str(e)}")