diff --git a/rendercv/cli/commands.py b/rendercv/cli/commands.py
index 4ae5798e..3862a4b9 100644
--- a/rendercv/cli/commands.py
+++ b/rendercv/cli/commands.py
@@ -163,7 +163,6 @@ def cli_command_render(
 
     input_file_path: pathlib.Path = pathlib.Path(input_file_name).absolute()
 
-
     original_working_directory = pathlib.Path.cwd()
 
     input_file_as_a_dict = data.read_a_yaml_file(input_file_path)
@@ -197,7 +196,9 @@ def cli_command_render(
     }
 
     if rendercv_settings_path:
-        settings_file_path: pathlib.Path = pathlib.Path(rendercv_settings_path).absolute()
+        settings_file_path: pathlib.Path = pathlib.Path(
+            rendercv_settings_path
+        ).absolute()
         settings_file_as_a_dict = data.read_a_yaml_file(settings_file_path)
         input_file_as_a_dict.update(settings_file_as_a_dict)
 
@@ -206,7 +207,6 @@ def cli_command_render(
         design_file_as_a_dict = data.read_a_yaml_file(design_file_path)
         input_file_as_a_dict.update(design_file_as_a_dict)
 
-
     input_file_as_a_dict = utilities.update_render_command_settings_of_the_input_file(
         input_file_as_a_dict, cli_render_arguments
     )
diff --git a/rendercv/data/models/rendercv_data_model.py b/rendercv/data/models/rendercv_data_model.py
index 5226dc84..ae673cad 100644
--- a/rendercv/data/models/rendercv_data_model.py
+++ b/rendercv/data/models/rendercv_data_model.py
@@ -18,16 +18,16 @@ from .rendercv_settings import RenderCVSettings
 class RenderCVDataModel(RenderCVBaseModelWithoutExtraKeys):
     """This class binds both the CV and the design information together."""
 
-    # Note: Unfortunately making this optional is required in order to build 
+    # Note: Unfortunately making this optional is required in order to build
     #   a json schema that handles seperating configurtion from cv content.
     #   If pydantic allowed for schema generation with
     #   `{"anyOf":[
     #       {"required":["cv"]},
     #       {"required":["design"]},
-    #       {"required":["rendercv_settings"]}]}` 
+    #       {"required":["rendercv_settings"]}]}`
     #   syntax it would be more elegant.
     cv: Optional[CurriculumVitae] = pydantic.Field(
-        default = None,
+        default=None,
         title="Curriculum Vitae",
         description="The data of the CV.",
     )
diff --git a/rendercv/data/models/rendercv_settings.py b/rendercv/data/models/rendercv_settings.py
index 632f5f91..69c8145f 100644
--- a/rendercv/data/models/rendercv_settings.py
+++ b/rendercv/data/models/rendercv_settings.py
@@ -38,7 +38,7 @@ class RenderCommandSettings(RenderCVBaseModelWithoutExtraKeys):
     """This class is the data model of the `render` command's settings."""
 
     design_path: Optional[str] = pydantic.Field(
-        default = None,
+        default=None,
         title="Design File Path",
         description=(
             "The file path to the yaml file containing the design."
@@ -47,7 +47,7 @@ class RenderCommandSettings(RenderCVBaseModelWithoutExtraKeys):
     )
 
     rendercv_settings_path: Optional[str] = pydantic.Field(
-        default = None,
+        default=None,
         title="RenderCV Settings Path",
         description=(
             "The file path to the yaml file containing the rendercv_settings."
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 1bc76cd7..19d88fae 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -957,10 +957,10 @@ def test_empty_input_file_with_render_command(tmp_path, input_file_path):
 
     assert "The input file is empty!" in result.stdout
 
+
 def test_seperation_of_settings(
     tmp_path, input_file_path, design_settings_file_path, rendercv_settings_file_path
 ):
-
     # change the current working directory to the temporary directory:
     os.chdir(tmp_path)
 
@@ -977,8 +977,10 @@ def test_seperation_of_settings(
         [
             "render",
             str(new_input_file_path.relative_to(tmp_path)),
-            '--design-path', design_settings_file_path,
-            '--rendercv-settings-path', rendercv_settings_file_path
+            "--design-path",
+            design_settings_file_path,
+            "--rendercv-settings-path",
+            rendercv_settings_file_path,
         ],
     )
 
@@ -995,6 +997,4 @@ def test_seperation_of_settings(
 
     with open(tex_file, "r") as f:
         contents = f.read()
-    assert 'theme - sb2nov' in contents
-
-
+    assert "theme - sb2nov" in contents