fixed type errors when pylance type checking mode is strict.

mdrsclient/commands/login.py

@@ -1,5 +1,6 @@
 import getpass
-from argparse import Namespace, _SubParsersAction
+from argparse import Namespace
+from typing import Any
 
 from mdrsclient.api import UserApi
 from mdrsclient.commands.base import BaseCommand
@@ -10,20 +11,25 @@ from mdrsclient.exceptions import MissingConfigurationException
 
 class LoginCommand(BaseCommand):
     @classmethod
-    def register(cls, parsers: _SubParsersAction) -> None:
-        command = cls()
+    def register(cls, parsers: Any) -> None:
         login_parser = parsers.add_parser("login", help="login to remote host")
         login_parser.add_argument("remote", help="label of remote host")
-        login_parser.set_defaults(func=command.login)
+        login_parser.set_defaults(func=cls.func)
 
-    def login(self, args: Namespace) -> None:
-        remote = self._parse_remote_host(args.remote)
+    @classmethod
+    def func(cls, args: Namespace) -> None:
+        remote = str(args.remote)
+        username = input("Username: ").strip()
+        password = getpass.getpass("Password: ").strip()
+        cls.login(remote, username, password)
+
+    @classmethod
+    def login(cls, remote: str, username: str, password: str) -> None:
+        remote = cls._parse_remote_host(remote)
         config = ConfigFile(remote)
         if config.url is None:
             raise MissingConfigurationException(f"Remote host `{remote}` is not found.")
         connection = MDRSConnection(config.remote, config.url)
-        username = input("Username: ").strip()
-        password = getpass.getpass("Password: ").strip()
         user_api = UserApi(connection)
         (user, token) = user_api.auth(username, password)
         print("Login Successful")