bug fix

app.py

@@ -22,7 +22,7 @@ if search_domain == 'all':
             if class_list == []:
                 for p in src_data[0]:
                     cl = p.split('/')[-2]
-                    if cl not in class_list
+                    if cl not in class_list:
                         class_list.append(cl)
             src_nn_fit = NearestNeighbors(n_neighbors=num_results_per_domain, algorithm='auto', n_jobs=-1).fit(src_data[1])
             src_data_dict[d] = (src_data,src_nn_fit)