diff -Nru openbabel-2.4.1+dfsg/debian/changelog openbabel-2.4.1+dfsg/debian/changelog
--- openbabel-2.4.1+dfsg/debian/changelog	2018-11-03 00:14:35.000000000 +0000
+++ openbabel-2.4.1+dfsg/debian/changelog	2018-11-12 12:24:14.000000000 +0000
@@ -1,8 +1,10 @@
-openbabel (2.4.1+dfsg-2build1) disco; urgency=medium
+openbabel (2.4.1+dfsg-3) unstable; urgency=medium
 
-  * No-change rebuild for the perl 5.28 transition.
+  [ Michael Banck ]
+  * debian/patches/pybel_indexerror.patch: New patch, avoids an IndexError for
+    plugins with empty names, taken from upstream master commit 4c3fe03b.
 
- -- Adam Conrad <adconrad@ubuntu.com>  Fri, 02 Nov 2018 18:14:35 -0600
+ -- Michael Banck <mbanck@debian.org>  Mon, 12 Nov 2018 13:24:14 +0100
 
 openbabel (2.4.1+dfsg-2) unstable; urgency=medium
 
diff -Nru openbabel-2.4.1+dfsg/debian/patches/pybel_indexerror.patch openbabel-2.4.1+dfsg/debian/patches/pybel_indexerror.patch
--- openbabel-2.4.1+dfsg/debian/patches/pybel_indexerror.patch	1970-01-01 00:00:00.000000000 +0000
+++ openbabel-2.4.1+dfsg/debian/patches/pybel_indexerror.patch	2018-11-12 12:20:20.000000000 +0000
@@ -0,0 +1,22 @@
+From 4c3fe03b571d4740957ec4115992be75019ddc76 Mon Sep 17 00:00:00 2001
+From: "Karol M. Langner" <langner@users.noreply.github.com>
+Date: Sat, 10 Dec 2016 22:03:43 -0800
+Subject: [PATCH] Avoid IndexError for plugins with empty names
+
+---
+ scripts/python/pybel.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/scripts/python/pybel.py b/scripts/python/pybel.py
+index f9aaec280..de85df712 100644
+--- a/scripts/python/pybel.py
++++ b/scripts/python/pybel.py
+@@ -81,7 +81,7 @@ def _getpluginnames(ptype):
+     ob.OBPlugin.ListAsVector(ptype, None, plugins)
+     if sys.platform[:4] == "java":
+         plugins = [plugins.get(i) for i in range(plugins.size())]
+-    return [x.split()[0] for x in plugins]
++    return [x.split()[0] for x in plugins if x.strip()]
+ 
+ _obconv = ob.OBConversion()
+ _builder = ob.OBBuilder()
diff -Nru openbabel-2.4.1+dfsg/debian/patches/series openbabel-2.4.1+dfsg/debian/patches/series
--- openbabel-2.4.1+dfsg/debian/patches/series	2018-07-03 08:02:56.000000000 +0000
+++ openbabel-2.4.1+dfsg/debian/patches/series	2018-11-12 12:22:31.000000000 +0000
@@ -3,3 +3,4 @@
 disable_json_formats.patch
 remove_link_top.diff
 manpages.diff
+pybel_indexerror.patch