fix linting

Author: mohamedashrraf222

codeflash/lsp/helpers.py

@@ -1,6 +1,7 @@
 import os
 import re
 from functools import lru_cache
+from pathlib import Path
 
 from rich.tree import Tree
 
@@ -48,8 +49,8 @@ def report_to_markdown_table(report: dict[TestType, dict[str, int]], title: str)
 def simplify_worktree_paths(msg: str, highlight: bool = True) -> str:  # noqa: FBT001, FBT002
     path_in_msg = worktree_path_regex.search(msg)
     if path_in_msg:
-        # Use os.path.basename to handle both Unix and Windows path separators
-        last_part_of_path = os.path.basename(path_in_msg.group(0))
+        # Use Path.name to handle both Unix and Windows path separators
+        last_part_of_path = Path(path_in_msg.group(0)).name
         if highlight:
             last_part_of_path = f"`{last_part_of_path}`"
         return msg.replace(path_in_msg.group(0), last_part_of_path)