fixed the issues

Author: abhas20

cli/cli.py

@@ -2,14 +2,17 @@
 CLI entry point for the 101 Linux Commands application.
 """
 
-import typer
-import click
 from typing import List
-from commands import hello, list, search, show, version
+
+import click
+import typer
 from typer.main import TyperGroup
 
+from commands import hello, list, search, show, version
+
+
 class CustomTyper(TyperGroup):
-   def resolve_command(self, ctx: click.Context, args:List[str]):
+    def resolve_command(self, ctx: click.Context, args: List[str]):
         try:
             return super().resolve_command(ctx, args)
         except click.exceptions.UsageError as e:
@@ -21,11 +24,11 @@ def resolve_command(self, ctx: click.Context, args:List[str]):
 
                 new_message = f"{original}\n{hint}"
                 raise click.exceptions.UsageError(new_message, ctx=ctx) from e
-            
+
             raise
-        
 
-app = typer.Typer(help="101 Linux Commands CLI 🚀",cls=CustomTyper)
+
+app = typer.Typer(help="101 Linux Commands CLI 🚀", cls=CustomTyper)
 app.add_typer(hello.app, name="hello")
 app.add_typer(list.app, name="list")
 app.add_typer(version.app, name="version")

cli/test_cli.py

@@ -78,6 +78,7 @@ def test_unknown_command():
     assert "No such command" in combined_output
     assert "Hint: Run 'cli.py --help' to see available commands." in combined_output
 
+
 # ----------------------------
 # Tests for `show` subcommand
 # ----------------------------