typing fixes

src/axolotl/cli/args.py

@@ -1,6 +1,7 @@
 """Module for axolotl CLI command arguments."""
 
 from dataclasses import dataclass, field
+from typing import Optional
 
 
 @dataclass
@@ -10,8 +11,8 @@ class PreprocessCliArgs:
     debug: bool = field(default=False)
     debug_text_only: bool = field(default=False)
     debug_num_examples: int = field(default=1)
-    prompter: str | None = field(default=None)
+    prompter: Optional[str] = field(default=None)
-    download: bool | None = field(default=True)
+    download: Optional[bool] = field(default=True)
 
 
 @dataclass
@@ -22,7 +23,7 @@ class TrainerCliArgs:
     debug_text_only: bool = field(default=False)
     debug_num_examples: int = field(default=0)
     merge_lora: bool = field(default=False)
-    prompter: str | None = field(default=None)
+    prompter: Optional[str] = field(default=None)
     shard: bool = field(default=False)
 
 
@@ -39,4 +40,4 @@ class EvaluateCliArgs:
 class InferenceCliArgs:
     """Dataclass with CLI arguments for `axolotl inference` command."""
 
-    prompter: str | None = field(default=None)
+    prompter: Optional[str] = field(default=None)

src/axolotl/cli/utils.py

@@ -8,18 +8,7 @@ import logging
 from functools import wraps
 from pathlib import Path
 from types import NoneType
-from typing import (
+from typing import Any, Callable, Type, Union, get_args, get_origin
-    Any,
-    Callable,
-    Dict,
-    List,
-    Optional,
-    Tuple,
-    Type,
-    Union,
-    get_args,
-    get_origin,
-)
 
 import click
 import requests
@@ -64,7 +53,7 @@ def add_options_from_dataclass(config_class: Type[Any]) -> Callable:
         config_class: Dataclass with fields to parse from the CLI
     """
 
-    def decorator(function):
+    def decorator(function: Callable) -> Callable:
         # Process dataclass fields in reverse order for correct option ordering
         for field in reversed(dataclasses.fields(config_class)):
             field_type = field.type
@@ -89,6 +78,7 @@ def add_options_from_dataclass(config_class: Type[Any]) -> Callable:
                     default=field.default,
                     help=field.metadata.get("description"),
                 )(function)
+
         return function
 
     return decorator
@@ -102,7 +92,7 @@ def add_options_from_config(config_class: Type[BaseModel]) -> Callable:
         config_class: PyDantic model with fields to parse from the CLI
     """
 
-    def decorator(function):
+    def decorator(function: Callable) -> Callable:
         # Process model fields in reverse order for correct option ordering
         for name, field in reversed(config_class.model_fields.items()):
             if field.annotation == bool:
@@ -116,12 +106,13 @@ def add_options_from_config(config_class: Type[BaseModel]) -> Callable:
                 function = click.option(
                     option_name, default=None, help=field.description
                 )(function)
+
         return function
 
     return decorator
 
 
-def build_command(base_cmd: List[str], options: Dict[str, Any]) -> List[str]:
+def build_command(base_cmd: list[str], options: dict[str, Any]) -> list[str]:
     """
     Build command list from base command and options.
 
@@ -151,7 +142,7 @@ def build_command(base_cmd: List[str], options: Dict[str, Any]) -> List[str]:
 
 def download_file(
     file_info: tuple, raw_base_url: str, dest_path: Path, dir_prefix: str
-) -> Tuple[str, str]:
+) -> tuple[str, str]:
     """
     Download a single file and return its processing status.
 
@@ -204,7 +195,7 @@ def download_file(
 
 
 def fetch_from_github(
-    dir_prefix: str, dest_dir: Optional[str] = None, max_workers: int = 5
+    dir_prefix: str, dest_dir: str | None = None, max_workers: int = 5
 ) -> None:
     """
     Sync files from a specific directory in the GitHub repository.
@@ -238,7 +229,7 @@ def fetch_from_github(
     dest_path = Path(dest_dir) if dest_dir else default_dest
 
     # Keep track of processed files for summary
-    files_processed: Dict[str, List[str]] = {
+    files_processed: dict[str, list[str]] = {
         "new": [],
         "updated": [],
         "unchanged": [],
@@ -281,7 +272,7 @@ def load_model_and_tokenizer(
     *,
     cfg: DictDefault,
     inference: bool = False,
-) -> Tuple[PreTrainedModel, PreTrainedTokenizer | PreTrainedTokenizerFast | Any]:
+) -> tuple[PreTrainedModel, PreTrainedTokenizer | PreTrainedTokenizerFast | Any]:
     """
     Helper function for loading a model and tokenizer specified in the given `axolotl`
     config.