---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
...
/workspaces/.venv/lib/python3.13/site-packages/pyaki/kdigo.py in ?(self, stay_id)
180 (_, df), *datasets = datasets
181 for _, _df in datasets:
182 if isinstance(_df, pd.Series):
183 _df = pd.DataFrame([_df], index=df.index)
--> 184 columns = set(_df.columns) - set(df.columns)
185 df = df.merge(_df[[*columns]], how="outer", left_index=True, right_index=True)
186
187 df["stage"] = df.filter(like="stage").max(axis=1)
/workspaces/.venv/lib/python3.13/site-packages/pandas/core/generic.py in ?(self, name)
6295 and name not in self._accessors
6296 and self._info_axis._can_hold_identifiers_and_holds_name(name)
6297 ):
6298 return self[name]
-> 6299 return object.__getattribute__(self, name)
AttributeError: 'Series' object has no attribute 'columns'
