diff --git a/tests/test_conda_function.py b/tests/test_conda_function.py
index 30aab54..ed75f19 100644
--- a/tests/test_conda_function.py
+++ b/tests/test_conda_function.py
@@ -5,11 +5,14 @@
     from conda_subprocess.decorator import conda
     from executorlib.shared.executor import cloudpickle_register
 except ImportError:
+
     def conda(prefix_name=None, prefix_path=None):
         def wrap_function(funct):
             def function_out(*args, **kwargs):
                 return None
+
             return function_out
+
         return wrap_function