diff --git a/sanic/__version__.py b/sanic/__version__.py
index d9f9ee85..25c3169c 100644
--- a/sanic/__version__.py
+++ b/sanic/__version__.py
@@ -1 +1 @@
-__version__ = "19.12.3"
+__version__ = "19.12.4"
diff --git a/sanic/app.py b/sanic/app.py
index e0fdbfe8..1fed6cd4 100644
--- a/sanic/app.py
+++ b/sanic/app.py
@@ -1474,4 +1474,5 @@ class Sanic:
         self.asgi = True
         asgi_app = await ASGIApp.create(self, scope, receive, send)
         await asgi_app()
+
     _asgi_single_callable = True  # We conform to ASGI 3.0 single-callable