Run ruff format changes and finalize indentation and lint fixes.

scripts/verify_themes.py

@@ -1,16 +1,24 @@
 #!/usr/bin/env python3
 """Verify that other themes still work correctly with Arc-specific change."""
+# ruff: noqa: E402
 
 import sys
 import tkinter as tk
 from pathlib import Path
 
-from init import logger
-from theme_manager import ThemeManager
 
-# Add src directory to Python path
-src_path = Path(__file__).parent / "src"
-sys.path.insert(0, str(src_path))
+def _ensure_src_on_path() -> None:
+    src_dir = Path(__file__).resolve().parent.parent / "src"
+    if str(src_dir) not in sys.path:
+        sys.path.insert(0, str(src_dir))
+
+
+_ensure_src_on_path()
+from thechart.core.constants import LOG_LEVEL
+from thechart.core.logger import init_logger
+from thechart.ui import ThemeManager
+
+logger = init_logger(__name__, testing_mode=(LOG_LEVEL == "DEBUG"))
 
 
 def verify_other_themes():