diff --git a/exps/LFNA/vis-synthetic.py b/exps/LFNA/vis-synthetic.py
index 484cd66..699c41b 100644
--- a/exps/LFNA/vis-synthetic.py
+++ b/exps/LFNA/vis-synthetic.py
@@ -174,7 +174,9 @@ def compare_cl(save_dir):
     )
     print(video_cmd + "\n")
     os.system(video_cmd)
-    os.system("{:} -pix_fmt yuv420p {xdir}/compare-cl.webm".format(base_cmd, xdir=save_dir))
+    os.system(
+        "{:} -pix_fmt yuv420p {xdir}/compare-cl.webm".format(base_cmd, xdir=save_dir)
+    )
 
 
 def visualize_env(save_dir):
@@ -307,7 +309,6 @@ def compare_algs_v2(save_dir, alg_dir="./outputs/lfna-synthetic"):
     dynamic_env = env_info["dynamic_env"]
     min_t, max_t = dynamic_env.min_timestamp, dynamic_env.max_timestamp
 
-
     linewidths = 10
     for idx, (timestamp, (ori_allx, ori_ally)) in enumerate(
         tqdm(dynamic_env, ncols=50)
@@ -337,7 +338,7 @@ def compare_algs_v2(save_dir, alg_dir="./outputs/lfna-synthetic"):
                 metric(predicts, ori_ally)
                 predicts = predicts.view(-1).numpy()
                 alg2xs[alg].append(idx)
-                alg2ys[alg].append(metric.get_info()['mse'])
+                alg2ys[alg].append(metric.get_info()["mse"])
             plot_scatter(cur_ax, allx, predicts, colors[idx_alg], 0.99, linewidths, alg)
 
         cur_ax.set_xlabel("X", fontsize=LabelSize)
@@ -355,7 +356,14 @@ def compare_algs_v2(save_dir, alg_dir="./outputs/lfna-synthetic"):
         cur_ax = fig.add_subplot(2, 1, 2)
         for idx_alg, (alg, xdir) in enumerate(alg_name2dir.items()):
             # plot_scatter(cur_ax, alg2xs[alg], alg2ys[alg], olors[idx_alg], 0.99, linewidths, alg)
-            cur_ax.plot(alg2xs[alg], alg2ys[alg], color=colors[idx_alg], linestyle='-', linewidth=5, label=alg)
+            cur_ax.plot(
+                alg2xs[alg],
+                alg2ys[alg],
+                color=colors[idx_alg],
+                linestyle="-",
+                linewidth=5,
+                label=alg,
+            )
         cur_ax.legend(loc=1, fontsize=LegendFontsize)
 
         cur_ax.set_xlabel("Timestamp", fontsize=LabelSize)