minor fix

app/rag.py

@@ -109,7 +109,7 @@ class ChatPDF:
         return streaming_response
 
     def clear(self):
-        self.client.delete(collection_name="rag_documents", ids=self.doc_ids, points_selector=self.doc_ids)
+        self.client.delete(collection_name="rag_documents", points_selector=self.doc_ids)
         self.pdf_count = 0
         self.text_chunks = []
         self.doc_ids = []