diff --git a/.coverage b/.coverage
new file mode 100644
index 00000000..a247606a
Binary files /dev/null and b/.coverage differ
diff --git a/app/calculator.py b/app/calculator.py
index 8a976b25..0e6fe534 100644
--- a/app/calculator.py
+++ b/app/calculator.py
@@ -1,3 +1,5 @@
+#hi
+
 class Calculator:
 
     def add(x, y):