in fclib/fclib/dataset/ojdata.py [0:0]
def _check_static_feat(df, ts_id_col_names, static_feat_names):
"""Check if the input static features change over time and include ts_id_col_names.
"""
for feat in static_feat_names:
condition1 = (ts_id_col_names is None) and (df[feat].nunique() > 1)
condition2 = (ts_id_col_names is not None) and (df.groupby(ts_id_col_names)[feat].nunique().max() > 1)
if condition1 or condition2:
raise ValueError("Input feature column {} is supposed to be static but it is not.".format(feat))