code: def _parse_header(self, stream):
      (
          rows,
          cols,
          entries,
          format,
          field,
          symmetry,
      ) = self.__class__.info(stream)
      self._init_attrs(
          rows=rows,
          cols=cols,
          entries=entries,
          format=format,
          field=field,
          symmetry=symmetry,
      )
  
imports: from __future__ import division, print_function, absolute_import
  import os
  import sys
  from numpy import asarray, real, imag, conj, zeros, ndarray, concatenate, ones, can_cast
  from numpy.compat import asbytes, asstr
  from scipy._lib.six import string_types
  from scipy.sparse import coo_matrix, isspmatrix
label_desc: Use image node_id 21 for calling the MMFile obj's underlying member method code with example usage: obj._parse_header(stream) without return types