lint: tidy up code in cli module

app/cli/list.py

@@ -1,23 +1,18 @@
-import argparse
 import json
 import logging
 import sys
-from typing import Callable, TYPE_CHECKING, Any
+from typing import Callable, Any
 
 from app import app
+from app.cli import _SubparserType, BaseCliHandler
 from app.lists import lists
 
-if TYPE_CHECKING:
-    _SubparserType = argparse._SubParsersAction[argparse.ArgumentParser]
-else:
-    _SubparserType = Any
-
 
 def dump(list_f: Callable[[], Any]) -> None:
     json.dump(list_f(), sys.stdout, indent=2)
 
 
-class ListCliHandler:
+class ListCliHandler(BaseCliHandler):
     @classmethod
     def add_subparser_to(cls, subparsers: _SubparserType) -> None:
         parser = subparsers.add_parser("list", help="list operations")
@@ -25,9 +20,6 @@ class ListCliHandler:
                             help="dump a list in JSON format")
         parser.set_defaults(cls=cls)
 
-    def __init__(self, args: argparse.Namespace) -> None:
-        self.args = args
-
     def run(self) -> None:
         with app.app_context():
             if self.args.dump: