吴恩达deeplearning 第四课Program terminated with status: 1. stderr follows: Error: C:\Users\AppData\Loc

**

吴恩达deeplearning 第四课Program terminated with status: 1. stderr follows: Error: C:\Users\AppData\Local\Temp\tmpx6oir6n9: syntax error in line 1 near ‘’

大家好，我正在做吴恩达老师第四课第二周练习一：Keras - Tutorial - Happy House 碰到了一个奇怪的问题，找了很久都不知道原因，望大家能帮忙找出原因，在下不胜感激。

代码：（最后一个cell）
plot_model(happyModel,to_file=‘HappyModel.png’)
SVG(model_to_dot(happyModel).create(prog=‘dot’, format=‘svg’))

错误：

InvocationException Traceback (most recent call last)
in
6 #plot_model(happyModel,to_file=‘HappyModel.png’)
7 #plot_model(happyModel,to_file=‘E:/software/python/Jupyter/COURSE 4 Convolutional Neural Networks/Week 02/KerasTutorial/HappyModel.png’)
----> 8 plot_model(happyModel,to_file=‘HappyModel.png’)
9 SVG(model_to_dot(happyModel).create(prog=‘dot’, format=‘svg’))
10 #import os

E:\software\Anaconda\lib\site-packages\keras\utils\vis_utils.py in plot_model(model, to_file, show_shapes, show_layer_names, rankdir, expand_nested, dpi)
238 “”"
239 dot = model_to_dot(model, show_shapes, show_layer_names, rankdir,
–> 240 expand_nested, dpi)
241 _, extension = os.path.splitext(to_file)
242 if not extension:

E:\software\Anaconda\lib\site-packages\keras\utils\vis_utils.py in model_to_dot(model, show_shapes, show_layer_names, rankdir, expand_nested, dpi, subgraph)
77 from …models import Sequential
78
—> 79 _check_pydot()
80 if subgraph:
81 dot = pydot.Cluster(style=‘dashed’, graph_name=model.name)

E:\software\Anaconda\lib\site-packages\keras\utils\vis_utils.py in _check_pydot()
26 # Attempt to create an image of a blank graph
27 # to check the pydot/graphviz installation.
—> 28 pydot.Dot.create(pydot.Dot())
29 except OSError:
30 raise OSError(

E:\software\Anaconda\lib\site-packages\pydot_ng_init_.py in create(self, prog, format)
1889 raise InvocationException(
1890 ‘Program terminated with status: %d. stderr follows: %s’ % (
-> 1891 status, stderr_output))
1892 elif stderr_output:
1893 print(stderr_output)

InvocationException: Program terminated with status: 1. stderr follows: Error: C:\Users\AppData\Local\Temp\tmpx6oir6n9: syntax error in line 1 near ‘’