python - Pydot Error during install. What is assertion 1? -


i have been attempting pydot create organization tree. tree quite large.

i installed pydot using pip tried using following code: 

graph = pydot.dot(graph_type='graph')  manager in new_df['manager'].unique():     edge = pydot.edge('top', manager)     graph.add_edge(edge)   manager in new_df['manager'].unique():     key, row in new_df.iterrows():             if row['manager'] == manager:                 edge = pydot.edge(row['employee'], manager)                 graph.add_edge(edge)  graph.write_png('test.png')

on final line graph.write_png. got following error: 

graph.write_png('test.png') traceback (most recent call last):    file "<ipython-input-11-6b37b0a95d4d>", line 1, in <module>     graph.write_png('test.png')    file "c:\users\name\appdata\local\continuum\anaconda3\lib\site-packages\pydot.py", line 1691, in <lambda>     self.write(path, format=f, prog=prog))    file "c:\users\name\appdata\local\continuum\anaconda3\lib\site-packages\pydot.py", line 1774, in write     s = self.create(prog, format)    file "c:\users\name\appdata\local\continuum\anaconda3\lib\site-packages\pydot.py", line 1883, in create     prog=prog))  exception: "dot.exe" not found in path.

i followed overflow answer "dot.exe" not found in path. pydot on python (windows 7) exception being editing keras code not using keras. seemed resolve problem gave following error computer/python skills cannot decipher.

note using windows 10.

['dot.exe', '-tpng', 'c:\\users\\name\\appdata\\local\\temp\\tmp4b8y10em'] return code: 1  stdout, stderr:  b'' b"error: c:\\users\\name\\appdata\\local\\temp\\tmp4b8y10em: syntax error in line 16 near ';'\r\n"  traceback (most recent call last):    file "<ipython-input-12-6b37b0a95d4d>", line 1, in <module>     graph.write_png('test.png')    file "c:\users\name\appdata\local\continuum\anaconda3\lib\site-packages\pydot.py", line 1691, in <lambda>     self.write(path, format=f, prog=prog))    file "c:\users\name\appdata\local\continuum\anaconda3\lib\site-packages\pydot.py", line 1774, in write     s = self.create(prog, format)    file "c:\users\name\appdata\local\continuum\anaconda3\lib\site-packages\pydot.py", line 1900, in create     assert p.returncode == 0, p.returncode  assertionerror: 1

any ideas? stumped, need work.


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