code: def parse_number(self):
      return int(self.stream.pop("NUMBER").value)
  
imports: import re
  from dataclasses import dataclass, InitVar, field
  from itertools import chain
  from typing import Any, Dict, List, Union, Optional, ClassVar
  import numpy
  from toolz import valfilter, valmap
label_desc: Use image node_id 1 for calling the Parser obj's underlying member method code with example usage: obj.parse_number() and returns: int