chore: remediate linting errors

Signed-off-by: Chris Butler <chris.butler@redhat.com>

Author: butler54

rhdp/rhdp-cluster-define.py

@@ -5,7 +5,7 @@
 import os
 import pathlib
 import shutil
-from typing import Dict, List, Optional
+from typing import Dict, List
 
 import typer
 from jinja2 import Environment, FileSystemLoader, select_autoescape
@@ -140,7 +140,8 @@ def run(
     Region flag requires an azure region key which can be (authoritatively)
     requested with: "az account list-locations -o table".
 
-    Use --multicluster flag to deploy both hub (coco-hub) and spoke (coco-spoke) clusters.
+    Use --multicluster flag to deploy both hub (coco-hub) and spoke (coco-spoke)
+    clusters.
     """
     validate_dir()