numpy.ma.MaskedArray.tostring
method
- 
ma.MaskedArray.tostring(fill_value=None, order='C')[source] - 
A compatibility alias for
tobytes, with exactly the same behavior.Despite its name, it returns
bytesnotstrs.Deprecated since version 1.19.0.
 
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Licensed under the 3-clause BSD License.
    https://numpy.org/doc/1.21/reference/generated/numpy.ma.MaskedArray.tostring.html