Ambiguous table name on increment_access during fetch_nwb

[CBroz1]

The function to determine the fetch_nwb calling table from the stack

spyglass/src/spyglass/utils/dj_helper_fn.py

Lines 115 to 132 in e23d1fd

	def get_fetching_table_from_stack(stack):
	"""Get all classes from a stack of tables."""
	classes = set()
	for frame_info in stack:
	locals_dict = frame_info.frame.f_locals
	for obj in locals_dict.values():
	if not isinstance(obj, UserTable):
	continue # skip non-tables
	if (name := obj.full_table_name) in PERIPHERAL_TABLES:
	continue # skip common_nwbfile tables
	classes.add(name)
	if len(classes) > 1:
	logger.warn(
	f"Multiple classes found in stack: {classes}. "
	"Please submit a bug report with the snippet used."
	)
	classes = None # predict only one but not sure, so return None
	return next(iter(classes)) if classes else None

finds multiple entries when using either of the following

LFPArtifactDetection().populate(key)
LFPBandV1().populate(key)

This is not an issue for these cases, because the entry already exists in the log table. We may experience problems if other processes fail to find the calling table and the file is not already in the log table