fixed flake8 lint errors

pyserve/ctl/commands/health.py

@@ -4,7 +4,6 @@ pyserve health - Check health of services
 
 import asyncio
 from pathlib import Path
-from typing import Optional
 
 import click
 
@@ -60,6 +59,7 @@ def health_cmd(ctx, services: tuple, timeout: int, output_format: str):
         return
 
     from rich.table import Table
+
     from ..output import format_health
 
     table = Table(show_header=True, header_style="bold")