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FileNotFoundError: [Errno 2] "dot" not found in path

See original GitHub issue

Description

I tried to use pydot to plot a decision tree but i got this error, i will provide the code used in order to reproduce that situation Main.py

$ /home/sys-walker/Documentos/PyCharmProjects/PlotDesicionTree/venv/bin/python /home/sys-walker/Documentos/PyCharmProjects/PlotDesicionTree/Main.py

Traceback (most recent call last):
  File "/home/sys-walker/Documentos/PyCharmProjects/PlotDesicionTree/Main.py", line 34, in <module>
    graph.write_png('example1_graph.png')
  File "/home/sys-walker/Documentos/PyCharmProjects/PlotDesicionTree/venv/lib/python3.8/site-packages/pydot.py", line 1743, in new_method
    self.write(
  File "/home/sys-walker/Documentos/PyCharmProjects/PlotDesicionTree/venv/lib/python3.8/site-packages/pydot.py", line 1828, in write
    s = self.create(prog, format, encoding=encoding)
  File "/home/sys-walker/Documentos/PyCharmProjects/PlotDesicionTree/venv/lib/python3.8/site-packages/pydot.py", line 1933, in create
    raise OSError(*args)
FileNotFoundError: [Errno 2] "dot" not found in path.
        ^

Time: 0.002s
sys-walker@(none):sys-walker>

Environment used

OS and python version information.

$  cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.2 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.2 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal


(venv) sys-walker@sys-walker:~/Documentos/PyCharmProjects/PlotDesicionTree$ python --version
Python 3.8.5

Pydot version used.

pydot version 1.4.2

Output of pip freeze command.

$ pip3 freeze
pkg-resources==0.0.0
pydot==1.4.2
pyparsing==2.4.7

Issue Analytics

State:
Created 3 years ago
Comments:5 (3 by maintainers)

Top GitHub Comments

2reactions

peternoweecommented, Mar 2, 2021

Do you have Graphviz installed? What is the output of running dot -V from the command line?

1reaction

peternoweecommented, Mar 2, 2021

Should be solved as part of pydot/pydot#218. That PR is currently closed, but I hope to reopen it in the future.

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