Update EvalJob to fetch default Python version instead of hardcoding

Author: jb3

bot/exts/utils/snekbox/_eval.py

@@ -3,17 +3,15 @@
 import contextlib
 from dataclasses import dataclass, field
 from signal import Signals
-from typing import TYPE_CHECKING
+from typing import get_args
 
 from discord.utils import escape_markdown, escape_mentions
 
 from bot.constants import Emojis
+from bot.exts.utils.snekbox._constants import SupportedPythonVersions
 from bot.exts.utils.snekbox._io import FILE_COUNT_LIMIT, FILE_SIZE_LIMIT, FileAttachment, sizeof_fmt
 from bot.log import get_logger
 
-if TYPE_CHECKING:
-    from bot.exts.utils.snekbox._cog import SupportedPythonVersions
-
 log = get_logger(__name__)
 
 SIGKILL = 9
@@ -26,7 +24,7 @@ class EvalJob:
     args: list[str]
     files: list[FileAttachment] = field(default_factory=list)
     name: str = "eval"
-    version: SupportedPythonVersions = "3.13"
+    version: SupportedPythonVersions = get_args(SupportedPythonVersions)[0]
 
     @classmethod
     def from_code(cls, code: str, path: str = "main.py") -> EvalJob: