code: def __init__(self, *args, **kw):
      super().__init__(*args, **kw)
      self._tileables = None
      self._tileable_to_progress = dict()
      self._tileable_to_tile_infos = dict()
  
imports: import dataclasses
  import functools
  from typing import Callable, Dict, Generator, Iterable, List, Optional, Set, Type, Union
  from ....core import FUSE_CHUNK_TYPE, CHUNK_TYPE, TILEABLE_TYPE
  from ....typing import EntityType, TileableType, ChunkType
  from ....utils import copy_tileables, build_fetch
  from ...entity.tileables import handler
  from ...mode import enter_mode
  from ..entity import TileableGraph, ChunkGraph
  from .base import AbstractGraphBuilder
label_desc: Use image node_id 1 to create a new TileContext object from inherited base classes: Dict with example: obj = TileContext()