platformio 4.2.1

[ivankravets]

• Have you followed the guidelines for contributing?
• Have you checked that there aren't other open pull requests for the same formula update/change?
• Have you built your formula locally with brew install --build-from-source <formula>, where <formula> is the name of the formula you're submitting?
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• Improved VSCode template with special forceInclude field for direct includes via -include flag (issue #3379)
• Improved support of PIO Home on card-sized PC (Raspberry Pi, etc.) (issue #3313)
• Froze "marshmallow" dependency to 2.X for Python 2 (issue #3380)
• Fixed "TypeError: unsupported operand type(s)" when system environment variable is used by project configuration parser (issue #3377)
• Fixed an issue when Library Dependency Finder (LDF) ignores custom "libLDFMode" and "libCompatMode" options in library.json
• Fixed an issue when generating of compilation database "compile_commands.json" does not work with Python 2.7 (issue #3378)

[SMillerDev]

If it doesn't support python 3.8 this should just be python

[ivankravets]

It supports Python 3.5+ including Python 3.8. I don't understand why we should install Python 3.8 hen Python 3.7 (python@3) is already installed? The same on my Mac machine: some tools depenend on Python 3 and some on Python 3.8. Why do I need multiple same Pythons?

[ivankravets]

Is 84 line "virtualenv_create(libexec, "python3")" ok? The homebrew-pypi-poetadded it.

[SMillerDev]

some tools depenend on Python 3 and some on Python 3.8. Why do I need multiple same Pythons?

Yes, everything that works with 3.8 will depend on that version. As soon as everything works with 3.8 you can remove 3.7.

[ivankravets]

Could you merge this?

[SMillerDev]

Can you squash your commits?

[ivankravets]

I created a new PR #50367