import sys
from typing import Union, Any, cast

print(f"Python version: {sys.version}")

try:
    from typing import Union
    types = (int, str)
    # This is what SQLAlchemy does:
    res = cast(Any, Union).__getitem__(types)
    print(f"Success: {res}")
except Exception as e:
    print(f"Error: {e}")
    import traceback
    traceback.print_exc()