diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..d6082cc
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,16 @@
+astroid==4.0.2
+dill==0.4.0
+iniconfig==2.3.0
+isort==7.0.0
+mccabe==0.7.0
+mypy==1.18.2
+mypy-extensions==1.1.0
+packaging==25.0
+pathspec==0.12.1
+platformdirs==4.5.0
+pluggy==1.6.0
+pygments==2.19.2
+pylint==4.0.3
+pytest==9.0.1
+tomlkit==0.13.3
+typing-extensions==4.15.0
diff --git a/tests/test_csv.py b/tests/test_csv.py
index fb90596..7e8351a 100644
--- a/tests/test_csv.py
+++ b/tests/test_csv.py
@@ -10,7 +10,7 @@ def count_columns(file_name: Path) -> None:
 
     with open(file_name, mode="r", encoding="utf-8") as my_file:
         for line in my_file:
-            
+
             # All lines must match the header of the file:
             if first_line:
                 first_line = False
@@ -32,4 +32,3 @@ def test_column_count() -> None:
     csv_realpath: Path      = Path(f"{cwd}/pycons/2025/resources.csv")
     print(f"Testing file: {csv_realpath}")
     count_columns(csv_realpath)
-