Python Pandas Dataframe with lists elements在调用“.info()”时报告了错误的类型?

我在python3中有一个dataframe,它看起来像

>>> df_people
       name Information 1 Information 2
0      P1   [20, 21]      [50, 52]
1      P2   [30, 20]      [52, 55]
2      P3   [25, 33]      [60, 54]

people = {"name":["P1", "P2", "P3"],"Information 1":[[20, 21],[30, 20],[25,33]],"Information 2":[[50, 52],[52, 55],[60,54]]}
df_people= pd.DataFrame(people)
df_people

现在,如果我打电话 df_people.info() 我得到:

>>> df_people.info()
<class 'pandas.core.frame.DataFrame'>
RangeIndex: 3 entries, 0 to 2
Data columns (total 3 columns):
name             3 non-null object
Information 1    3 non-null object
Information 2    3 non-null object
dtypes: object(3)
memory usage: 152.0+ bytes

non-null object 我很担心。它应该报告别的什么吗?