Update app.py

app.py

@@ -55,7 +55,7 @@ def analyze_song(mp3_file):
     }
     result = requests.post('https://api.audd.io/', data=data, files=files)
     transcription = transcribe_audio('test.wav')
-    if type(result.json()['result']['artist']) == NoneType:
+    if result.json()['result']['artist'] is not None:
         artist = result.json()['result']['artist']
         title = result.json()['result']['title']
         # genre = result.json()['result']['apple_music']['genreNames']