autopep8
Format Python code according to the PEP 8 style guide. tldr-pages
On several platforms
Several platforms
Format a file to stdout, with a custom maximum line length
autopep8 path/to/file.py --max-line-length lengthIdentifyFormat a file, displaying a diff of the changes
autopep8 --diff path/to/fileIdentifyFormat a file in-place and save the changes
autopep8 --in-place path/to/file.pyIdentifyRecursively format all files in a directory in-place and save changes
autopep8 --in-place --recursive path/to/directoryIdentify