Update app.py

app.py

@@ -944,7 +944,7 @@ def submit_predict(predict_filepath, task, preset, target_family, opts, job_info
                 return alignment.score / max(len(query), len(target))
 
             alignment_df['score'] = alignment_df['X2'].apply(align_score)
-            row = alignment_df.loc[alignment_df['score'].idxmax()]
+            row = alignment_df[alignment_df['score'] == alignment_df['score'].max()].iloc[0]
             return row['Target Family']
 
     if 'Target Family' not in orig_df.columns: