diff --git a/requirements.txt b/requirements.txt
index 224cfe5..2e9e17d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,5 @@ pandas
 scikit-learn
 flake8
 pytest
+
+
diff --git a/tests/test_sample.py b/tests/test_sample.py
new file mode 100644
index 0000000..1e0d1fa
--- /dev/null
+++ b/tests/test_sample.py
@@ -0,0 +1,4 @@
+# tests/test_sample.py
+
+def test_example():
+    assert 1 + 1 == 2
\ No newline at end of file