fixed flake8 lint errors

pyserve/ctl/commands/up.py

@@ -7,7 +7,6 @@ import signal
 import sys
 import time
 from pathlib import Path
-from typing import List, Optional
 
 import click
 
@@ -78,9 +77,9 @@ def up_cmd(
       pyserve up --scale api=4      # Scale api to 4 workers
       pyserve up --wait             # Wait for healthy status
     """
+    from .._runner import ServiceRunner
     from ..output import console, print_error, print_info, print_success, print_warning
     from ..state import StateManager
-    from .._runner import ServiceRunner
 
     config_path = Path(ctx.config_file)
 
@@ -116,6 +115,7 @@ def up_cmd(
         try:
             import os
             from typing import cast
+
             # FIXME: Please fix the cast usage here
             os.kill(cast(int, daemon_pid), signal.SIGTERM)
             time.sleep(2)