TypeError: 'type' object is not subscriptable when run Pytest

[hypntzed78]

class Checkpoint(TypedDict):

..\anaconda3\lib\site-packages\langgraph\checkpoint\base.py:18: in Checkpoint
channel_values: dict[str, Any]
E TypeError: 'type' object is not subscriptable
======================= short test summary info =======================
ERROR test_langgraph.py
ERROR tests/integration_tests/test_graph.py
ERROR tests/unit_tests/test_configuration.py - TypeError: 'type' object is not subscriptable
!!!!!!!!!!!!!!! Interrupted: 3 errors during collection !!!!!!!!!!!!!!!
========================== 3 errors in 1.76s ==========================