Update app.py

app.py

@@ -13,12 +13,12 @@ openai.api_key = os.environ["OPENAI_API_KEY"]
 def invoke(url):
     url = url
     save_dir = "docs/youtube/"
-    shutil.rmtree(save_dir)
     loader = GenericLoader(
         YoutubeAudioLoader([url], save_dir),
         OpenAIWhisperParser()
     )
     docs = loader.load()
+    shutil.rmtree(save_dir)
     return docs[0].page_content
 
 description = """<a href='https://www.gradio.app/'>Gradio</a> UI using <a href='https://platform.openai.com/'>OpenAI</a> API with Whisper 1 foundation model."""