rust-python-index: don't panic on a corrupted index when calling from Python
This makes `test-verify.t` pass again. In an ideal world, we would find
the exact commit where this test breaks and amend part of this change there,
but this is a long enough series.
@echo off
powershell -NoProfile -ExecutionPolicy unrestricted -Command "& '%~dp0\editmergeps.ps1' %*"