update/format

Author: geritwagner

tests/1_env/docker_manager_test.py

@@ -50,7 +50,6 @@ def remove_docker_container(container_name: str) -> None:
     remove_docker_container("hello-world:latest")
     remove_docker_image("hello-world:latest")
 
-
     # Create a simple Dockerfile
     dockerfile_content = """
     FROM python:3.9