From 7f5f56c231ac089f2e82626206355d3f65621db8 Mon Sep 17 00:00:00 2001
From: "J. Cliff Dyer" <jcd@sdf.org>
Date: Fri, 18 Jan 2019 10:31:52 -0500
Subject: [PATCH] Handle missing touch method, for django < 2.1.

---
 completion_aggregator/cachegroup.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/completion_aggregator/cachegroup.py b/completion_aggregator/cachegroup.py
index da34d6c3..067d8492 100644
--- a/completion_aggregator/cachegroup.py
+++ b/completion_aggregator/cachegroup.py
@@ -56,8 +56,14 @@ def set(self, group, key, value, timeout):
     def touch(self, key, timeout):
         """
         Update the timeout for a given key in the cache.
+
+        Returns True if the cache key was updated.
+
+        This functionality is available in Django 2.1 and above.
         """
-        return cache.touch(key, timeout=timeout)
+        if hasattr(cache, 'touch'):
+            return cache.touch(key, timeout=timeout)
+        return False
 
     def delete(self, key):
         """