From 321b64d8dcc1917eb107e46124cdb945c5005511 Mon Sep 17 00:00:00 2001
From: Dave B <dave@bx.psu.edu>
Date: Fri, 13 Nov 2015 12:44:35 -0500
Subject: [PATCH] Ensure that invalid parameters don't break things.

---
 lib/galaxy/util/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/galaxy/util/__init__.py b/lib/galaxy/util/__init__.py
index ff1cc69b01f..8299579c758 100644
--- a/lib/galaxy/util/__init__.py
+++ b/lib/galaxy/util/__init__.py
@@ -341,6 +341,8 @@ def parse_query_string( query_string ):
     retval = {}
     arguments = query_string.split( '&' )
     for argument in arguments:
+        if '=' not in argument:
+            continue
         key, value = argument.split( '=' )
         retval[ key ] = value
     return retval