Print output when ufunc like np.abs is executed on pint array

[m-rossi]

The following code should have no output

import numpy as np
import pandas as pd
import pint_pandas

s = pd.Series([0, 1, 2], dtype='pint[m]')
r = np.abs(s)

however you have

(<Quantity([0 1 2], 'meter')>,)

as an output.