More linting fixes

Author: mew1033

ctfcli/cli/challenges.py

@@ -816,7 +816,7 @@ def deploy(
                 click.secho("Success!\n", fg="green")
 
         if len(skipped_deployments) > 0:
-            click.secho("Deployment skipped (no image specified) for:",fg="yellow")
+            click.secho("Deployment skipped (no image specified) for:", fg="yellow")
             for challenge_instance in skipped_deployments:
                 click.echo(f" - {challenge_instance}")
 

ctfcli/core/image.py

@@ -4,6 +4,7 @@
 from os import PathLike
 from pathlib import Path
 from typing import Optional, Union
+
 from ctfcli.core.exceptions import InvalidComposeOperation