Update app.py

app.py

@@ -15,7 +15,7 @@ def main_function(audio):
         'file': open('test.wav', 'rb'),
     }
     result = requests.post('https://api.audd.io/', data=data, files=files)
-    if result not None:
+    if result is not None:
         artist = result.json()['result']['artist']
         title = result.json()['result']['title']
         genre = result.json()['result']['apple_music']['genreNames']