Ubantu16.04 solves the error: OSError: `pydot` failed to call GraphViz

  • The error is as follows:
'  `pydot` failed to call GraphViz. '
OSError: `pydot` failed to call GraphViz. Please install GraphViz (https://www.graphviz.org/)  and ensure that its executables are in the $PATH.

In the corresponding download folder, open the terminal and execute the commands in sequence:

  • 1:sudo dpkg -i graphviz_2.38.0-12ubuntu2_amd64.deb
  • 2: General step 1 will have a dependency error, execute the command sudo apt-get install -f
  • 3: Re-execute the command: sudo dpkg -i graphviz_2.38.0-12ubuntu2_amd64.deb

The installation is successful!

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