请教一个plotly画箱线图的问题

我使用下面的代码不知道为什么画不出图来，刚学一头雾水，请大神们帮我看一下，谢谢

1. import plotly.graph_objects as go
   
2. import pandas as pd
   
3. import plotly.express as px
   
4. 
   
5. dataDict = {
   
6.     'Amphenol':{
   
7.         'f2412':[14.448148, 14.307873, 14.413727, 14.251495, 14.192704, 14.469538, 14.340007, 14.456666, 14.166945],
   
8.         'f2442':[14.354781, 14.09075, 14.580759, 13.922596, 14.120707, 14.399056, 13.935502, 13.550243, 13.816263],
   
9.         'f2472':[[14.18391, 14.516609, 14.129696, 14.414568, 14.337776, 14.46269, 13.984784, 14.204197, 14.251495]]
   
10.     },
    
11. 
    
12.     'Sumway':{
    
13.         'f2412':[13.93205, 14.160811, 14.227238, 14.116917, 13.783705, 13.754828, 14.456666, 14.266443, 14.118248],
    
14.         'f2442':[14.476582, 14.310323, 14.361634, 13.820684, 14.430261, 14.282674, 14.084508, 14.469538, 14.340007],
    
15.         'f2472':[14.137471, 14.24075, 14.511127, 14.25029, 14.090526, 14.198301, 14.211297, 14.306122, 14.026881]
    
16.     }
    
17. }
    
18. 
    
19. freq_list = ['f2412', 'f2442', 'f2472']
    
20. vendors = ['Amphenol', 'Sumway']
    
21. 
    
22. df_data = []
    
23. for vendor in dataDict.keys():
    
24.     for freq in dataDict[vendor].keys():
    
25.         for value in dataDict[vendor][freq]:
    
26.             dict = {
    
27.                 'vendor':vendor,
    
28.                 freq: value
    
29.             }
    
30.             df_data.append(dict)
    
31. 
    
32. df = pd.DataFrame(df_data)
    
33. 
    
34. box_data = []
    
35. 
    
36. for vendor in vendors:
    
37.     for freq in freq_list:
    
38.         trace = go.Box(x=freq_list, y=df[freq], name=vendor)
    
39.         box_data.append(trace)
    
40. 
    
41. layout = go.Layout(barmode="group")
    
42. fig = go.Figure(data=box_data,layout=layout)
    
43. fig.show()
    

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