Fix version bump

script/version_bump.js

@@ -10,9 +10,10 @@ function patch(version) {
 
 function today() {
   const now = new Date();
-  return `${now.getFullYear()}${now.getMonth() + 1}${String(
-    now.getDate()
-  ).padStart(2, "0")}.0`;
+  return `${now.getFullYear()}${String(now.getMonth() + 1).padStart(
+    2,
+    "0"
+  )}${String(now.getDate()).padStart(2, "0")}.0`;
 }
 
 const methods = {
@@ -51,4 +52,4 @@ async function main(args) {
   console.log(stdout);
 }
 
-main(process.argv.slice(2));
+main(process.argv.slice(2)).catch(console.error);

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name="home-assistant-frontend",
-    version="2019109.0",
+    version="20190109.0",
     description="The Home Assistant frontend",
     url="https://github.com/home-assistant/home-assistant-polymer",
     author="The Home Assistant Authors",