Update app.py

app.py

@@ -9,10 +9,11 @@ client = anthropic.Anthropic(
 )
 max_textboxes = 5
 
-def process_youtube_url(url, language="en"):
+def process_youtube_url(url="", language="en"):
     try:
-        if url == "" and language == "":
-            return *["I'm waiting..." for _ in range(max_textboxes)],[],"",0,""
+        if url == "":
+            return *["I'm waiting..." for _ in range(max_textboxes)], [], "", 0, ""
+        # 以下の処理はそのまま
         loader = YoutubeLoader.from_youtube_url(
             youtube_url=url,
             add_video_info=True,