Refactor code for improved readability and consistency

- Cleaned up multiline statements and removed unnecessary line breaks in various files.
- Ensured consistent formatting in function definitions and calls across the codebase.
- Updated docstrings and comments for clarity where applicable.
- Removed trailing newlines in module docstrings.
- Enhanced logging statements for better clarity in maintenance tasks.

tests/integration/__init__.py

@@ -1 +1 @@
-"""Integration tests for PostgreSQL schema and connectivity."""
+"""Integration tests for PostgreSQL schema and connectivity."""