fix setuptools_scm argparse usage

dockertidy/Cli.py

@@ -6,11 +6,14 @@ import logging
 import os
 import sys
 
+from importlib_metadata import PackageNotFoundError
+from importlib_metadata import version
+
 import dockertidy.Exception
+from dockertidy import __version__
 from dockertidy.Config import SingleConfig
 from dockertidy.Utils import SingleLog
 from dockertidy.Utils import timedelta_type
-from importlib_metadata import version, PackageNotFoundError
 
 
 class DockerTidy:
@@ -34,7 +37,7 @@ class DockerTidy:
         parser.add_argument("-q", dest="logging.level", action="append_const",
                             const=1, help="decrease log level")
         parser.add_argument("--version", action="version",
-                            version=version(__name__))
+                            version="%(prog)s {}".format(__version__))
 
         subparsers = parser.add_subparsers(help="sub-command help")
 

dockertidy/__init__.py

@@ -1,4 +1,6 @@
 """Default package."""
+from importlib_metadata import PackageNotFoundError
+from importlib_metadata import version
 
 __author__ = "Robert Kaussow"
 __project__ = "docker-tidy"
@@ -6,3 +8,4 @@ __license__ = "Apache-2.0"
 __maintainer__ = "Robert Kaussow"
 __email__ = "mail@geeklabor.de"
 __url__ = "https://github.com/xoxys/docker-tidy"
+__version__ = version("docker-tidy")

dockertidy/tests/docker_gc_test.py

@@ -1,9 +1,9 @@
 import textwrap
+from io import StringIO
 
 import docker.errors
 import requests.exceptions
 from docker_custodian import docker_gc
-from io import StringIO
 
 try:
     from unittest import mock