code: def open_parentheses(self, character):
      self.parentheses_count += 1
  
imports: from __future__ import absolute_import
  import sys
  import re
  import itertools
  from codecs import BOM_UTF8
  from typing import NamedTuple, Tuple, Iterator, Iterable, List, Dict, Pattern, Set
  from parso.python.token import PythonTokenTypes
  from parso.utils import split_lines, PythonVersionInfo, parse_version_string
label_desc: Use image node_id 2 for calling the FStringNode obj's underlying member method code with example usage: obj.open_parentheses(character) without return types