Merge pull request #111 from dianaclarke/fix-python-notes

MINOR: [Website] Fix Python Notes markdown
diff --git a/_posts/2021-04-26-4.0.0-release.md b/_posts/2021-04-26-4.0.0-release.md
index 5d7b73a..c885f3e 100644
--- a/_posts/2021-04-26-4.0.0-release.md
+++ b/_posts/2021-04-26-4.0.0-release.md
@@ -188,6 +188,7 @@
 * The Arrow JS module is now tree-shakeable.
 * Iterating over Tables or Vectors is ~2X faster. [Demo](https://observablehq.com/@domoritz/arrow-js-3-vs-4-iterator)
 * The default bundles use modern JS.
+
 ## Python notes
 
 - Limited support for writing out CSV files (only types that have cast implementation to String) is now available.