SyntaxError: future feature annotations is not defined

PLEASE FILL OUT THE TEMPLATE

**Describe the bug**
import pandas
import pandasgui

File "D:\python_venv\fjn002.py", line 3, in
import pandasgui
File "D:\python_venv\pandasgui\lib\site-packages\pandasgui\__init__.py", line 15, in
from pandasgui.gui import show
File "D:\python_venv\pandasgui\lib\site-packages\pandasgui\gui.py", line 13, in
from pandasgui.store import PandasGuiStore
File "D:\python_venv\pandasgui\lib\site-packages\pandasgui\store.py", line 1
from __future__ import annotations

and then SyntaxError: future feature annotations is not defined

**Environment**
OS: (eg. Windows 10)
Python: (eg. 3.7.9) 32bit
IDE: (eg. thonny)

**Package versions** 0.2.12