diff --git a/p19/lib/date.ml b/p19/lib/date.ml
index e0ccd19..15c7b71 100644
--- a/p19/lib/date.ml
+++ b/p19/lib/date.ml
@@ -1,5 +1,4 @@
 let is_leap year = (year mod 4 = 0 && year mod 100 <> 0) || year mod 400 = 0
-
 let%test "is_leap for leap year 2000" = is_leap 2000 = true
 let%test "is_leap for leap year 2020" = is_leap 2020 = true
 let%test "is_leap for non-leap year 1900" = is_leap 1900 = false
diff --git a/p19/lib/dune b/p19/lib/dune
index a21146d..c9871fb 100644
--- a/p19/lib/dune
+++ b/p19/lib/dune
@@ -4,4 +4,4 @@
  (inline_tests
   (flags (-verbose)))
  (preprocess
-  (pps ppx_inline_test)))
\ No newline at end of file
+  (pps ppx_inline_test)))