Resolved some pylint issues

src/main/python/ddadevops/application.py

@@ -1,5 +1,5 @@
-from .domain import Devops, Image
+from .domain import Image
-from .infrastructure import FileApi, ResourceApi, ImageApi, ExecutionApi
+from .infrastructure import FileApi, ResourceApi, ImageApi
 
 
 class ImageBuildService:

src/main/python/ddadevops/c4k_mixin.py

@@ -2,7 +2,7 @@ import deprecation
 from .domain import C4k, DnsRecord
 from .devops_build import DevopsBuild
 from .credential import gopass_field_from_path, gopass_password_from_path
-from .infrastructure import ProjectRepository, FileApi, ExecutionApi
+from .infrastructure import ExecutionApi
 
 
 @deprecation.deprecated(deprecated_in="3.2")

src/main/python/ddadevops/devops_build.py

@@ -1,6 +1,6 @@
-import deprecation
 from typing import Optional
 from subprocess import run, CalledProcessError
+import deprecation
 from .domain import Devops
 from .infrastructure import ProjectRepository, FileApi
 

src/main/python/ddadevops/devops_image_build.py

@@ -1,5 +1,5 @@
-import deprecation
 from typing import Optional
+import deprecation
 from .domain import Image
 from .application import ImageBuildService
 from .devops_build import DevopsBuild, create_devops_build_config

src/main/python/ddadevops/infrastructure.py

@@ -1,11 +1,11 @@
 from pathlib import Path
 from sys import stdout
-from pkg_resources import resource_string
 from os import chmod
 from subprocess import run
+from pkg_resources import resource_string
 import yaml
 from .domain import Devops, Image, C4k
-from .python_util import execute, execute_live
+from .python_util import execute
 
 
 class ProjectRepository:

src/main/python/ddadevops/python_util.py

@@ -1,5 +1,4 @@
 from subprocess import check_output, Popen, PIPE
-import sys
 
 def execute(cmd, shell=False):
     output = check_output(cmd, encoding='UTF-8', shell=shell)