diff --git a/reproschema/tests/test_reproschema2redcap.py b/reproschema/tests/test_reproschema2redcap.py
index 374d8b7..f8438ac 100644
--- a/reproschema/tests/test_reproschema2redcap.py
+++ b/reproschema/tests/test_reproschema2redcap.py
@@ -1,37 +1,45 @@
 import os
 import pytest
 from click.testing import CliRunner
-from ..cli import main  
+from ..cli import main
 from shutil import copytree
 from pathlib import Path
 import csv
 
+
 def test_reproschema2redcap_success():
     runner = CliRunner()
 
     with runner.isolated_filesystem():
         # Copy necessary test data into the isolated filesystem
-        original_data_dir = os.path.join(os.path.dirname(__file__), "test_rs2redcap_data")
+        original_data_dir = os.path.join(
+            os.path.dirname(__file__), "test_rs2redcap_data"
+        )
         copytree(original_data_dir, "input_data")
 
         input_path = Path("input_data")  # Using Path object
         output_csv_path = "output.csv"
 
         # Invoke the reproschema2redcap command
-        result = runner.invoke(main, ['reproschema2redcap', str(input_path), output_csv_path])
+        result = runner.invoke(
+            main, ["reproschema2redcap", str(input_path), output_csv_path]
+        )
 
         # Print the output for debugging
         print(result.output)
 
         # Assert the expected outcomes
         assert result.exit_code == 0
-        assert f"Converted reproschema JSON from {input_path} to Redcap CSV at {output_csv_path}" in result.output
+        assert (
+            f"Converted reproschema JSON from {input_path} to Redcap CSV at {output_csv_path}"
+            in result.output
+        )
 
         # Check if the output CSV file has been created
         assert os.path.exists(output_csv_path)
 
         # Read and print the contents of the CSV file
-        with open(output_csv_path, 'r', encoding='utf-8') as csv_file:
+        with open(output_csv_path, "r", encoding="utf-8") as csv_file:
             reader = csv.reader(csv_file)
             csv_contents = list(reader)
             print("CSV File Contents:")
@@ -40,4 +48,4 @@ def test_reproschema2redcap_success():
 
         # Optionally, assert conditions about the CSV contents
         # For example, assert that the file is not empty
-        assert len(csv_contents) > 0
\ No newline at end of file
+        assert len(csv_contents) > 0