numpy.record.argsort
- 
record.argsort() - 
Not implemented (virtual attribute)
Class generic exists solely to derive numpy scalars from, and possesses, albeit unimplemented, all the attributes of the ndarray class so as to provide a uniform API.
See also
The 
    © 2008–2017 NumPy Developers
Licensed under the NumPy License.
    https://docs.scipy.org/doc/numpy-1.12.0/reference/generated/numpy.record.argsort.html