Fix type hints and import order

Author: vitalk

src/pytest_flask/_internal.py

@@ -1,7 +1,7 @@
 import functools
+import warnings
 from typing import Callable
 from typing import Literal
-import warnings
 
 from pytest import Config as _PytestConfig
 

src/pytest_flask/fixtures.py

@@ -4,12 +4,12 @@
 from typing import cast
 from typing import Generator
 
+import pytest
 from flask import Flask as _FlaskApp
 from flask.config import Config as _FlaskAppConfig
 from flask.testing import FlaskClient as _FlaskTestClient
 from pytest import Config as _PytestConfig
 from pytest import FixtureRequest as _PytestFixtureRequest
-import pytest
 
 from ._internal import _determine_scope
 from ._internal import _make_accept_header

src/pytest_flask/live_server.py

@@ -1,11 +1,11 @@
 import logging
 import multiprocessing
-from multiprocessing import Process
 import os
 import platform
 import signal
 import socket
 import time
+from multiprocessing import Process
 from typing import Any
 from typing import cast
 from typing import Protocol
@@ -17,9 +17,9 @@
 class _SupportsFlaskAppRun(Protocol):
     def run(
         self,
-        host: str | None = None,
-        port: int | None = None,
-        debug: bool | None = None,
+        host: Union[str, None] = None,
+        port: Union[int, None] = None,
+        debug: Union[bool, None] = None,
         load_dotenv: bool = True,
         **options: Any,
     ) -> None:

src/pytest_flask/plugin.py

@@ -6,12 +6,14 @@
     :license: MIT
 """
 from typing import Any
+from typing import List
 from typing import Protocol
 from typing import Type
 from typing import TypeVar
+from typing import Union
 
-from _pytest.config import Config as _PytestConfig
 import pytest
+from _pytest.config import Config as _PytestConfig
 
 from .fixtures import accept_any
 from .fixtures import accept_json
@@ -53,7 +55,7 @@ def __ne__(self, other) -> bool:
 
 def pytest_assertrepr_compare(
     op: str, left: _SupportsPytestFlaskEqual, right: int
-) -> list[str] | None:
+) -> Union[List[str], None]:
     if isinstance(left, JSONResponse) and op == "==" and isinstance(right, int):
         return [
             "Mismatch in status code for response: {} != {}".format(