code: def to_numpy(self, dtype=None, copy=False):
          
          result = np.asarray(self._ndarray, dtype=dtype)
          if copy and result is self._ndarray:
              result = result.copy()
  
          return result
docs: Convert the PandasArray to a :class:`numpy.ndarray`.
  
          By default, this requires no coercion or copying of data.
  
          Parameters
          ----------
          dtype : numpy.dtype
              The NumPy dtype to pass to :func:`numpy.asarray`.
          copy : bool, default False
              Whether to copy the underlying data.
  
          Returns
          -------
          ndarray