style: fix code formatting with black, isort, and flake8

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

tests/test_file_queries.py

@@ -9,7 +9,7 @@ from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 
 from app.database import Base
-from app.models import FileRecord, FileProcessingStep
+from app.models import FileProcessingStep, FileRecord
 from app.utils.file_queries import apply_status_filter