Format a file, displaying a diff of the changes

autopep8

  • Format Python code according to the PEP 8 style guide.
    More information: <https://github.com/hhatto/autopep8>.
  • Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

autopep8 --diff {{path/to/file}}

click the source code to copy install autopep8 on any operating system with command-not-found.com