re-apply ruff TCH rules

sith/composer.py

@@ -2,12 +2,15 @@ import logging
 import signal
 import subprocess
 import sys
-from pathlib import Path
+from typing import TYPE_CHECKING
 
 import psutil
 
 from sith import settings
 
+if TYPE_CHECKING:
+    from pathlib import Path
+
 
 def get_pid_file(procfile: Path) -> Path:
     """Get the PID file associated with a procfile"""