Improved argument handling

src/cpl_cli/__init__.py

@@ -22,8 +22,6 @@ from collections import namedtuple
 # imports:
 from .cli import CLI
 from .command_abc import CommandABC
-from .command_handler_service import CommandHandler
-from .command_model import CommandModel
 from .error import Error
 from .main import main
 from .startup import Startup