Update app.py

app.py

@@ -65,7 +65,7 @@ def analyze_sentence(index, vis_type, vis_format):
         topk_data = []
         for val, ind in zip(top_values, top_indices):
             ind = np.unravel_index(ind, plot_data.shape)
-            topk_data += [(tokenized[1+ind[0]], tokenized[1+ind[1]])]
+            topk_data += [str((tokenized[1+ind[0]], tokenized[1+ind[1]]))]
         graph_output = '<div>' + '<br/>'.join(topk_data) + '</div>'
     metrics = {'Metrics': 1}