code: def _read_data(self, line):
      parts = line.split(":")
      assert len(parts) == len(
          self.meta.columns
      ), "Missing attributes/values in series."
  
      *attributes, target = parts
  
      record = {}
  
      record[self.target_name] = self._data_target(target)
  
      for (column, ty), attr in zip(
          self.meta.columns.items(), attributes
      ):
          record[column] = parse_attribute(ty, attr)
  
      return record
  
imports: from datetime import datetime
  from distutils.util import strtobool
  from types import SimpleNamespace
  from typing import Dict
  import numpy
  from toolz import compose_left
  from gluonts import json
  from gluonts.exceptions import GluonTSDataError
label_desc: Use image node_id 4 for calling the TSFReader obj's underlying member method code with example usage: obj._read_data(line) and returns: record