BUG: at allowing fallback type indexing (which is not correct, its a restricted version of loc) · Issue #7814 · pandas-dev/pandas (original) (raw)

In [19]: s = pd.Series([1,2,3], index=list('abc'))

In [20]: s.at['a']
Out[20]: 1

In [23]: s.at[0]
Out[23]: 1