diff --git a/cosmos/operators/virtualenv.py b/cosmos/operators/virtualenv.py
index b9ae9dd64..97a63f45b 100644
--- a/cosmos/operators/virtualenv.py
+++ b/cosmos/operators/virtualenv.py
@@ -105,7 +105,7 @@ def _get_or_create_venv_py_interpreter(self) -> str:
                 1. No: Create one in this directory and return it
                 2. Yes: Return this virtual env
         2. No: Create a temporary virtual env and return it
-        
+
         """
         if self._venv_dir is not None:
             if self._venv_dir.is_dir():
diff --git a/dev/dags/example_virtualenv.py b/dev/dags/example_virtualenv.py
index a46473c3c..45af6e0a8 100644
--- a/dev/dags/example_virtualenv.py
+++ b/dev/dags/example_virtualenv.py
@@ -25,17 +25,18 @@
     ),
 )
 
+
 @dag(
     schedule_interval="@daily",
     start_date=datetime(2023, 1, 1),
     catchup=False,
 )
 def example_virtualenv() -> None:
-    start_task = EmptyOperator(task_id='start-venv-examples')
-    end_task = EmptyOperator(task_id='end-venv-examples')
+    start_task = EmptyOperator(task_id="start-venv-examples")
+    end_task = EmptyOperator(task_id="end-venv-examples")
 
     tmp_venv_task_group = DbtTaskGroup(
-        group_id='tmp-venv-group',
+        group_id="tmp-venv-group",
         # dbt/cosmos-specific parameters
         project_config=ProjectConfig(
             DBT_ROOT_PATH / "jaffle_shop",
@@ -55,7 +56,7 @@ def example_virtualenv() -> None:
     )
 
     cached_venv_task_group = DbtTaskGroup(
-        group_id='cached-venv-group',
+        group_id="cached-venv-group",
         # dbt/cosmos-specific parameters
         project_config=ProjectConfig(
             DBT_ROOT_PATH / "jaffle_shop",
@@ -76,6 +77,6 @@ def example_virtualenv() -> None:
 
     start_task >> [tmp_venv_task_group, cached_venv_task_group] >> end_task
 
+
 example_virtualenv()
 # [END virtualenv_example]
-
diff --git a/tests/test_converter.py b/tests/test_converter.py
index 5e81aaccf..d50ea1649 100644
--- a/tests/test_converter.py
+++ b/tests/test_converter.py
@@ -70,6 +70,7 @@ def test_converter_creates_dag_with_seed(mock_load_dbt_graph, execution_mode, op
     )
     assert converter
 
+
 @pytest.mark.parametrize(
     "execution_mode,virtualenv_dir,operator_args",
     [
@@ -81,7 +82,7 @@ def test_converter_creates_dag_with_seed(mock_load_dbt_graph, execution_mode, op
 @patch("cosmos.converter.DbtGraph.load")
 def test_converter_raises_warning(mock_load_dbt_graph, execution_mode, virtualenv_dir, operator_args, caplog):
     """
-    This test will raise a warning if we are trying to pass ExecutionMode != `VirtualEnv` 
+    This test will raise a warning if we are trying to pass ExecutionMode != `VirtualEnv`
     and still pass a defined `virtualenv_dir`
     """
     project_config = ProjectConfig(dbt_project_path=SAMPLE_DBT_PROJECT)
@@ -92,7 +93,7 @@ def test_converter_raises_warning(mock_load_dbt_graph, execution_mode, virtualen
         target_name="my_target_name",
         profiles_yml_filepath=SAMPLE_PROFILE_YML,
     )
-    converter = DbtToAirflowConverter(
+    DbtToAirflowConverter(
         nodes=nodes,
         project_config=project_config,
         profile_config=profile_config,
@@ -100,6 +101,9 @@ def test_converter_raises_warning(mock_load_dbt_graph, execution_mode, virtualen
         render_config=render_config,
         operator_args=operator_args,
     )
-    
-    assert "`ExecutionConfig.virtualenv_dir` is only supported when \
-                ExecutionConfig.execution_mode is set to ExecutionMode.VIRTUALENV." in caplog.text
\ No newline at end of file
+
+    assert (
+        "`ExecutionConfig.virtualenv_dir` is only supported when \
+                ExecutionConfig.execution_mode is set to ExecutionMode.VIRTUALENV."
+        in caplog.text
+    )