In [3]:
df = pd.read_csv(io.StringIO(t), dtype=object).info()
<class 'pandas.core.frame.DataFrame'>
Int64Index: 1 entries, 0 to 0
Data columns (total 4 columns):
int 1 non-null object
float 1 non-null object
date 1 non-null object
str 1 non-null object
dtypes: object(4)
memory usage: 40.0+ bytes