added multi-label as a radio button user input

app.py

@@ -171,7 +171,8 @@ def sequence_to_classify(sequence, labels, multi_label):
         predicted_labels))
 
     if not multi_label:
-         clean_output = {clean_output.keys()[0]: clean_output[clean_output.keys()[0]]}
+         top_label_key = list(clean_output.keys())[0]
+         clean_output = {top_label_key: clean_output[top_label_key]}
     return clean_output
 
 iface = gr.Interface(