code: def from_flat_path(cls, flat_state: FlatState) -> State:
      nested_state = traverse_util.unflatten_dict(flat_state, sep="/")
      return cls(nested_state)
  
imports: from __future__ import annotations
  import typing
  import jax
  import jax.tree_util
  from flax import traverse_util
  from flax.experimental.nnx.nnx import filterlib, reprlib
  from flax.experimental.nnx.nnx.variables import Variable
label_desc: Use image node_id 12 for calling the State obj's underlying member method code with example usage: obj.from_flat_path(cls, flat_state) and returns: cls