Traceback (most recent call last):
File "/Users/bcg83155/.local/bin/ccb", line 31, in
from ccb_config import get_backend_env
File "/Users/bcg83155/.local/share/codex-dual/lib/ccb_config.py", line 11, in
def get_backend_env() -> str | None:
TypeError: unsupported operand type(s) for |: 'type' and 'NoneType'

Traceback (most recent call last):
File "/Users/bcg83155/.local/bin/ccb", line 31, in
from ccb_config import get_backend_env
File "/Users/bcg83155/.local/share/codex-dual/lib/ccb_config.py", line 11, in
def get_backend_env() -> str | None:
TypeError: unsupported operand type(s) for |: 'type' and 'NoneType'