bug: pyenv rehash giving error #239

Describe the bug
I followed the windows install instructions and get the following error when I run pyenv rehash :
~\.pyenv\pyenv-win\libexec\pyenv.vbs(0, 1) Microsoft VBScript runtime error: Path not found

pyenv --version and pyenv commands both seem to work fine

To Reproduce
Steps to reproduce the behavior:

1. Use Git Bash to clone pyenv-win
2. Use PowerShell to execute the first three steps in the 'Finish the installation' section in the README
3. run pyenv rehash

Expected behavior
not an error message

Desktop (please complete the following information):

• OS: Windows 10 Pro version 1909
• git bash, command prompt

Additional context
Add any other context about the problem here.