v1.8.4 release breaking compatibility with python 3.8

[nguyenann13]

Expected behavior

dbt-trino should be compatible with python 3.8

Actual behavior

dbt debug erroring out due to type hint list[BehaviorFlag], generic types was introduced in python 3.9

Steps To Reproduce

Run dbt debug using python 3.8

Log output/Screenshots

  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/cli/requires.py", line 138, in wrapper
    result, success = func(*args, **kwargs)
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/cli/requires.py", line 101, in wrapper
    return func(*args, **kwargs)
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/cli/main.py", line 406, in debug
    results = task.run()
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/task/debug.py", line 120, in run
    load_profile_status: SubtaskStatus = self._load_profile()
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/task/debug.py", line 211, in _load_profile
    profile: Profile = Profile.render(
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/config/profile.py", line 403, in render
    return cls.from_raw_profiles(
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/config/profile.py", line 369, in from_raw_profiles
    return cls.from_raw_profile_info(
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/config/profile.py", line 325, in from_raw_profile_info
    credentials: Credentials = cls._credentials_from_profile(
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/config/profile.py", line 149, in _credentials_from_profile
    cls = load_plugin(typename)
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/adapters/factory.py", line 239, in load_plugin
    return FACTORY.load_plugin(name)
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/adapters/factory.py", line 68, in load_plugin
    mod: Any = import_module("." + name, "dbt.adapters")
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 848, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/adapters/trino/__init__.py", line 8, in <module>
    from dbt.adapters.trino.impl import TrinoAdapter  # isort: split
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/adapters/trino/impl.py", line 26, in <module>
    class TrinoAdapter(SQLAdapter):
  File "/home/vznadmin/agent/_work/_tool/Python/3.8.18/x64/lib/python3.8/site-packages/dbt/adapters/trino/impl.py", line 56, in TrinoAdapter
    def _behavior_flags(self) -> list[BehaviorFlag]:
TypeError: 'type' object is not subscriptable


##[error]PowerShell exited with code '1'.
Finishing: Run dbt debug: Test connection

Operating System

Microsoft Windows [Version 10.0.19045.5131]

dbt version

1.8.7

Trino Server version

449

Python version

3.8.18

Are you willing to submit PR?

• Yes I am willing to submit a PR!