ENH: set sys.executable in python to 'PythonSlicer'
Allows sys.executable to be used to find a functioning interpreter.
ref: https://github.com/Slicer/Slicer/pull/993#issuecomment-408999954 and comments below.
Allows sys.executable to be used to find a functioning interpreter.
ref: https://github.com/Slicer/Slicer/pull/993#issuecomment-408999954 and comments below.