Update app.py

app.py

@@ -346,7 +346,7 @@ def startBiasTest(test_sentences_df, gr1, gr2, att1, att2, model_name, progress=
     model_bias_HTML = bloombergViz(bias_stats_dict['model_bias'])
 
     per_attrib_bias_HTML = ""
-    for att, score in bias_stats_dict['per_attribute']:
+    for att, score in bias_stats_dict['per_attribute'].items():
         per_attrib_bias += att_bloombergViz(att, score)
 
     # bias score