diff --git a/src/cpl_cli/publish/publisher_service.py b/src/cpl_cli/publish/publisher_service.py
index c41fb907..ba1047e7 100644
--- a/src/cpl_cli/publish/publisher_service.py
+++ b/src/cpl_cli/publish/publisher_service.py
@@ -434,6 +434,7 @@ class PublisherService(PublisherABC):
                         spinner_foreground_color=ForegroundColorEnum.blue)
         Console.spinner('Building application:', self._dist_files, text_foreground_color=ForegroundColorEnum.green,
                         spinner_foreground_color=ForegroundColorEnum.blue)
+        Console.write_line()
 
     def publish(self):
         """
@@ -487,3 +488,4 @@ class PublisherService(PublisherABC):
             text_foreground_color=ForegroundColorEnum.green,
             spinner_foreground_color=ForegroundColorEnum.blue
         )
+        Console.write_line()
diff --git a/src/cpl_core/configuration/__init__.py b/src/cpl_core/configuration/__init__.py
index cff2ae9a..3c439ece 100644
--- a/src/cpl_core/configuration/__init__.py
+++ b/src/cpl_core/configuration/__init__.py
@@ -30,6 +30,7 @@ from .configuration_model_abc import ConfigurationModelABC
 from .configuration_variable_name_enum import ConfigurationVariableNameEnum
 from .executable_argument import ExecutableArgument
 from .flag_argument import FlagArgument
+from .validator_abc import ValidatorABC
 from .variable_argument import VariableArgument
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')