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I just re-installed python & virtualenv after accidentally getting everything messy. I noticed that my requirements.txt in my newly created environment automatically includes wheel==0.24.0. Is this normal, and what is it? I understand that virtualenv should create new environments without any system-installed packages.

Chris St Pierre
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2 Answers2

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I came across this issue when setting up virtualenv in windows.

To avoid wheel from being installed you can use the --no-wheel option.
virtualenv venv --no-wheel

To my understanding wheel is used handle a compressed format of a python package (.whl) that can be used by pip to speed up the install time. https://wheel.readthedocs.org/en/latest/

Erik
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Probably one of the itens listed in your requirements.txt needs wheel package installed to work.

Although it's a common (and good) pratice list the fundamental python packages of a project inside requirements.txt, not all of the packages the eventually will be installed are there.

Your pip log may helps you to point what package required wheel to be installed.

Jonatas CD
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