Update rag.py

app/rag.py

@@ -107,7 +107,8 @@ class ChatPDF:
         return streaming_response
 
     def clear(self):
-        self.client.delete_collection(collection_name="rag_documents")
+        for id in self.doc_ids:
+            self.vector_store.delete(id)
         self.pdf_count = 0
         self.text_chunks = []
         self.doc_ids = []