in spotify_confidence/analysis/confidence_utils.py [0:0]
def validate_categorical_columns(categorical_group_columns: Union[str, Iterable]) -> Iterable:
if isinstance(categorical_group_columns, str):
pass
elif isinstance(categorical_group_columns, Iterable):
pass
else:
raise TypeError(
"""categorical_group_columns must be string or
iterable (list of columns) and you must
provide at least one"""
)