Fix Pegasus/tools/utils.py::slurp_braindb to convert `Path` types to `str` for monitord's consumption.
Fix Pegasus/tools/utils.py::slurp_braindb to convert `Path` types to `str` for monitord's consumption.

pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus