AttributeError: Attribute 'sym_sealed' does not exist in <class 'pyglove.core.symbolic.dict.Dict'>. about pyglove HOT 8 CLOSED

class AA(pg.Object):
    tokenizer: Annotated[AbstractTokenizer, "Tokenizer"] = get_tokenizer(
        "..."
    )

    max_num: Annotated[
        int,
        "The maximum number of tokens for prefix, where -1 means infinity.",
    ] = -1

23/07/21 16:41:04 WARN TaskSetManager: Lost task 0.0 in stage 9.0 (TID 165) (216.153.61.120 executor 14): org.apache.spark.api.python.PythonException: Traceback (most recent call last):
  File "~/.local/lib/python3.9/site-packages/pyglove/core/symbolic/dict.py", line 628, in __setitem__
    if base.treats_as_sealed(self):
...
    ```

import pickle
from typing import Annotated, Dict
import pyglove as pg

class A(pg.Object):

  x: Annotated[Dict, "."] = dict()
  y: Annotated[str, "."] = ".."

# Define a simple dictionary
# data = A(x={1:1})
data = A()

# Serialization
serialized_data = pickle.dumps(data)
print(f"Serialized data: {serialized_data}")

# Deserialization
deserialized_data = pickle.loads(serialized_data)
print(f"Deserialized data: {deserialized_data}")