Fixed doctest

Author: Tranquility2

core/README.rst

@@ -13,7 +13,6 @@ Conjoint usage:
     >>> from testcontainers.core.container import DockerContainer
     >>> from testcontainers.core.waiting_utils import wait_for_logs
     >>> from testcontainers.core.image import DockerImage
-
     >>> with DockerImage(tag="test-image:latest", path=".") as image:
     ...     with DockerContainer(tag=image.tag) as container:
     ...         delay = wait_for_log(container, "Server ready", 60)

core/testcontainers/core/image.py

@@ -17,7 +17,6 @@ class DockerImage:
 
     .. doctest::
             >>> from testcontainers.core.image import DockerImage
-
             >>> with DockerImage(path=".", tag="new_image") as image:
             ...    logs = image.get_logs()