From 14942e9c1322a320ec3ecd34fe6a797e975d3a6f Mon Sep 17 00:00:00 2001
From: Manuel Kaufmann <humitos@gmail.com>
Date: Mon, 18 Jun 2018 11:28:49 -0300
Subject: [PATCH] Fix triggering a build for a skipped project

---
 readthedocs/core/utils/__init__.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/readthedocs/core/utils/__init__.py b/readthedocs/core/utils/__init__.py
index 3b8b346ac11..6f3e83997cf 100644
--- a/readthedocs/core/utils/__init__.py
+++ b/readthedocs/core/utils/__init__.py
@@ -168,6 +168,11 @@ def trigger_build(project, version=None, record=True, force=False):
         force,
         immutable=True,
     )
+
+    if update_docs_task is None:
+        # Current project is skipped
+        return None
+
     return update_docs_task.apply_async()