code: def __init__(self, quote):
      self.quote = quote
      self.parentheses_count = 0
      self.previous_lines = ""
      self.last_string_start_pos = None
      # In the syntax there can be multiple format_spec's nested:
      # {x:{y:3}}
      self.format_spec_count = 0
  
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 1 to create a new FStringNode object  with example: obj = FStringNode(quote)