make all same-module imports relative, the rest absolute

This makes sorting more consitent.

pkgs/clan-cli/clan_cli/clan/show.py

@@ -5,11 +5,10 @@ from pathlib import Path
 from urllib.parse import urlparse
 
 from clan_cli.api import API
+from clan_cli.cmd import run_no_stdout
 from clan_cli.errors import ClanCmdError, ClanError
 from clan_cli.inventory import Meta
-
-from ..cmd import run_no_stdout
-from ..nix import nix_eval
+from clan_cli.nix import nix_eval
 
 log = logging.getLogger(__name__)