class_docstr: Reader for Mat4 files 
class_docstr_tok: ["Reader","for","Mat4","files"]
docstr: Initialize matlab 4 file reader
  
  %(matstream_arg)s
  %(load_args)s
      
docstr_tok: ["Initialize","matlab","4","file","reader","%","(","matstream_arg",")","s","%","(","load_args",")","s"]
code: def __init__(self, mat_stream, *args, **kwargs):
      """Initialize matlab 4 file reader
  
      %(matstream_arg)s
      %(load_args)s
      """
      super(MatFile4Reader, self).__init__(mat_stream, *args, **kwargs)
      self._matrix_reader = None
  
imports: from __future__ import division, print_function, absolute_import
  import sys
  import warnings
  import numpy
  from numpy.compat import asbytes, asstr
  import scipy.sparse
  from scipy._lib.six import string_types
  from .miobase import MatFileReader, docfiller, matdims, read_dtype, convert_dtypes, arr_to_chars, arr_dtype_number
  from .mio_utils import squeeze_element, chars_to_strings
  from functools import reduce
label_desc: Use image node_id 1 to create a new MatFile4Reader object from inherited base classes: MatFileReader with example: obj = MatFile4Reader(mat_stream)