fix: resolve linting errors to fix CI

- Add newlines at end of files (W292)
- Format files with ruff formatter
- Files fixed: conftest.py, setup.py, test_basic.py

Author: jdrhyne

conftest.py

@@ -1,4 +1,5 @@
 """Root conftest.py to ensure proper test configuration."""
+
 import sys
 from pathlib import Path
 

setup.py

@@ -1,4 +1,5 @@
 """Minimal setup.py for compatibility with tools that require it."""
+
 from setuptools import setup
 
 setup()