added Path library to imports (#697)

Co-authored-by: Sharon Chiang <[email protected]>

src/spyglass/common/common_nwbfile.py

@@ -9,6 +9,7 @@
 import pynwb
 import spikeinterface as si
 from hdmf.common import DynamicTable
+from pathlib import Path
 
 from ..settings import raw_dir
 from ..utils.dj_helper_fn import get_child_tables