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This module also includes a version of os.walk() that uses scandir() to speed it up significantly. See README.md or https://github.com/benhoyt/scandir for rationale and docs, or read PEP 471 (https://www.python.org/dev/peps/pep-0471/) for more details on its inclusion into Python 3.5 scandir is released under the new BSD 3-clause license. 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