Fix: upgrade fails if existing venv was created with symlinks #2489
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if reinstalling over an existing installation where the .venv was created with symlinks to system python instead of copies of the python executable, the installer would raise a SameFileError, because it would attempt to copy Python over itself. This fixes the issue.
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if reinstalling over an existing installation where the .venv was created with symlinks to system python instead of copies of the python executable, the installer would raise a
SameFileError, because it would attempt to copy Python over itself. This fixes the issue.Copying the executable is still preferred for new environments, because this guarantees the stable Python version.