[Bug] ValueError: path is on mount 'C:', start on mount 'D:' about clize HOT 3 OPEN

@epsy , the problem is relevant in April 2018.

Thanks.

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@epsy , the problem is relevant in March 2018.

Thanks.

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Having the same Windows issue. I'm using a setup.py entry-point (installed in my conda environment on C:, available in my PATH envvar), which is executed from a folder on the D: drive.

The problem is in runner.py:303, which is invoking rel = os.path.relpath(path). Executing relpath when the current directory is on D: but path starts with C: will raise the exception.

I fixed the issue by patching my runner.py file, changing line 303 to this:

try:
    rel = os.path.relpath(path)
except ValueError:
    return basename

I think there may also be some other Windows-specific bugs, e.g. the if which(basename) == path: check in line 301 might fail for windows executables, where .EXE and .BAT are added to the executable. But that wasn't relevant in my case.

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