Update app.py

app.py

@@ -80,7 +80,7 @@ import json
 def recognize_audio(choice, url, file):
     api_url = os.getenv("API_URL", "https://api.audd.io/")
     params = {
-        "return": "apple_music,spotify"
+        "return": "apple_music,spotify",
         "api_token": os.getenv("API_TOKEN", "your_api_token_here")
     }