code: def __init__(
      self,
      grid: Grid | None = None,
      in_specs: BlockSpec
      | Sequence[BlockSpec | NoBlockSpec]
      | NoBlockSpec = no_block_spec,
      out_specs: BlockSpec
      | Sequence[BlockSpec | NoBlockSpec]
      | NoBlockSpec = no_block_spec,
  ):
      # Be more lenient for in/out_specs
      if isinstance(in_specs, list):
          in_specs = tuple(in_specs)
      if isinstance(out_specs, list):
          out_specs = tuple(out_specs)
  
      self.grid = _preprocess_grid(grid)
      if in_specs is not no_block_spec:
          flat_in_specs, self.in_specs_tree = tree_util.tree_flatten(
              in_specs
          )
          self.in_specs = tuple(flat_in_specs)
      else:
          self.in_specs = in_specs
          self.in_specs_tree = None
      if out_specs is not no_block_spec:
          flat_out_specs, self.out_specs_tree = tree_util.tree_flatten(
              out_specs
          )
          self.out_specs = tuple(flat_out_specs)
      else:
          self.out_specs = out_specs
          self.out_specs_tree = None
  
imports: from __future__ import annotations
  from collections.abc import Sequence
  import contextlib
  import dataclasses
  import functools
  from typing import Any, Callable
  from collections.abc import Iterator
  from jax._src import api_util
  from jax._src import core
  from jax._src import linear_util
  from jax._src import state
  from jax._src import tree_util
  from jax._src import util
  from jax._src.interpreters import partial_eval
  from jax._src.state import discharge
  import jax.numpy
label_desc: Use image node_id 1 to create a new GridSpec object  with example: obj = GridSpec(grid, in_specs, out_specs)