This is documentation for an old release of NumPy (version 1.15.1). Read this page in the documentation of the latest stable release (version > 1.17).
numpy.dtype.descr¶
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dtype.descr¶ PEP3118 interface description of the data-type.
The format is that required by the ‘descr’ key in the PEP3118 __array_interface__ attribute.
Warning: This attribute exists specifically for PEP3118 compliance, and is not a datatype description compatible with np.dtype.