[AstroPy] Summing an array

[Rudolf Baer]

I have not been able to sum an array; the array is created as follows

rpflux = np.array(rpflux, dtype=float)
rpflux=np.zeros(len(rptime),dtype='float64')
rpflux=np.genfromtxt(path,delimiter=',',dtype="float64",autostrip=True,skip_header=137,skip_footer=0,
usecols=(19))
print(rpflux.astype('float64'))

[3140.           nan 2770.     3080.     3170.     3050.     3060.
 3100.     2990.     3120.     3060.           nan 3100.     3070.
 3020.           nan 3200.     3150.     3350.     2990.     2910.
 2920.     3030.     3000.     2800.     2980.     2860.     2840.
 2610.     2650.     2610.     2650.     2490.     2490.     2540.
 2510.     2470.           nan       nan   35.           nan 3099.
       nan ]


print (np.sum(rpflux))
and
print (np.sum([rpflux]))
result in
'numpy.ndarray' object is not callable'

I have tried several alternatives, none of them work. Any suggestions
would be appreciated.
Rudolf Baer

Mac Os 10.15.6, python 3.7
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