bug: use typing extension backport for 3.10 and stop ruff autofixing it

pyproject.toml

@@ -1,3 +1,7 @@
+[project]
+requires-python = ">=3.10"
+name = "imap-mag"
+
 [tool.poetry]
 name = "imap-mag"
 version = "0.1.0"
@@ -9,7 +13,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.9,<3.13"
+python = ">=3.10,<3.13"
 pyyaml = "^6.0.1"
 typing-extensions = "^4.9.0"
 pydantic = "^2.6.1"
@@ -38,9 +42,6 @@ build-backend = "poetry.core.masonry.api"
 [tool.poetry-pyinstaller-plugin.scripts]
 imap-mag = { source = "src/main.py", type = "onefile", bundle = false }
 
-[tool.ruff]
-target-version = "py312"
-
 [tool.ruff.lint]
 select = [
     "D",   # pydocstyle

src/webPODA.py

@@ -8,6 +8,7 @@
 from pathlib import Path
 
 import requests
+from typing_extensions import Unpack
 
 
 class DownloadOptions(typing.TypedDict):
@@ -22,7 +23,7 @@ class IWebPODA(abc.ABC):
     """Interface for downloading raw packets from WebPODA."""
 
     @abc.abstractmethod
-    def download(self, **options: typing.Unpack[DownloadOptions]) -> str:
+    def download(self, **options: Unpack[DownloadOptions]) -> Path:
         """Download packet data from WebPODA."""
         pass
 
@@ -39,7 +40,7 @@ def __init__(self, auth_code: str, output_dir: Path) -> None:
         self.__auth_code = auth_code
         self.__output_dir = output_dir
 
-    def download(self, **options: typing.Unpack[DownloadOptions]) -> Path:
+    def download(self, **options: Unpack[DownloadOptions]) -> Path:
         """Download packet data from WebPODA."""
 
         file_path: Path = self.__output_dir / (options["packet"] + ".bin")