/envs/py_env/lib/python3.8/site-packages/pandas/core/base.py", line 383, in _agg
result[fname] = funcFile "/home/user/miniconda3/envs/py_env/lib/python3.8/site-packages/
\pandas\core\groupby\groupby.py", line 1559, in max File "C:\Users\w-s\AppData\Local\Programs\Python\Python39\lib\site-packages\pandas\core_python_agg_general(
File "C:\U
/site-packages/pandas/core/groupby.py in agg_series(self, obj, func)-> 1633/src/reduce.pyx in pandas.lib.SeriesGrouper.get_result (pandas/lib.c:38634)()
pandas/src/re
\core\groupby\ops.py", line 663, in agg_series File "C:\Users\xx\PycharmProjects\venvs\factor_model\lib\site-packages\pandas\core\groupby\groupby.py", l