[issue37067] os.execl doesn't allow for empty string in mac

[Ronald Oussoren]

Ronald Oussoren <ronaldoussoren at mac.com> added the comment:

Which exact python version did you test?  The current codebase raises this exception on all platforms, not just macOS (see os_execv_impl in Modules/posixmodule.c)

The behaviour of raising an exception was introduced in issue 28732 for Windows, not sure when that code was refactored to raise the exception on all platforms.

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