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# numpy.issubsctype

`numpy.``issubsctype`(arg1, arg2)

  Determine if the first argument is a subclass of the second argument.

  Parameters : | arg1, arg2 : dtype or dtype specifier Data-types.
  Returns : | out : bool The result.

  See also

  `issctype`, `issubdtype`, `obj2sctype`

  Examples

      >>> np.issubsctype('S8', str)
      True
      >>> np.issubsctype(np.array([1]), np.int)
      True
      >>> np.issubsctype(np.array([1]), np.float)
      False