Update app.py

app.py

@@ -9,7 +9,7 @@ from huggingface_hub.repocard import metadata_load
 import gradio as gr
 from datasets import load_dataset, Dataset
 
-from .data_to_parquet import to_parquet
+from data_to_parquet import to_parquet
 
 EXAM_DATASET_ID = os.getenv("EXAM_DATASET_ID") or "agents-course/unit_1_quiz"
 EXAM_MAX_QUESTIONS = os.getenv("EXAM_MAX_QUESTIONS") or 10