From 2019616505e571ead6a4da06fc71e30ae9ec2e07 Mon Sep 17 00:00:00 2001
From: Alex Raubach <10493887+AlexRaubach@users.noreply.github.com>
Date: Tue, 28 Aug 2018 21:59:16 -0400
Subject: [PATCH] Check that the chapter has content before parsing

Trying to select the first element in line 87 will throw a list index out of range error if there is no content matching the selector.
---
 sites/arbitrary.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sites/arbitrary.py b/sites/arbitrary.py
index 1989bc6..6f401a2 100644
--- a/sites/arbitrary.py
+++ b/sites/arbitrary.py
@@ -80,6 +80,10 @@ class Arbitrary(Site):
         # Probably by changing it so that this returns a Chapter / Section.
         logger.info("Extracting chapter @ %s", url)
         soup = self._soup(url)
+        
+        if not soup.select(definition.content_selector):
+            return '' 
+        
         content = soup.select(definition.content_selector)[0]
 
         if definition.filter_selector: