diff --git a/participants/scipy_077/pr_tutorial/tests/test_simple_function.py b/participants/scipy_077/pr_tutorial/tests/test_simple_function.py
index 1982130..0672a46 100644
--- a/participants/scipy_077/pr_tutorial/tests/test_simple_function.py
+++ b/participants/scipy_077/pr_tutorial/tests/test_simple_function.py
@@ -4,4 +4,5 @@
 def test_factorial_3():
     """Simplest test for one crete case"""
 
+    # Fail and throw error if not !3==6
     assert factorial(3) == 6
diff --git a/participants/scipy_077/setup.py b/participants/scipy_077/setup.py
index 3a8b920..d45712b 100644
--- a/participants/scipy_077/setup.py
+++ b/participants/scipy_077/setup.py
@@ -1,5 +1,10 @@
 from setuptools import setup
 
-setup(name="AHW PR tutorial",
-      version="0.1",
-      packages=["pr_tutorial", ])
+setup(
+    name="AHW PR tutorial",
+    version="0.1",
+    packages=[
+        "pr_tutorial",
+    ],
+    install_requires=["pytest"],
+)