From 6d4aca78bdf846a4ab1d6755e58db3c671b4a3ea Mon Sep 17 00:00:00 2001
From: Dave Cole <david.cole@data61.csiro.au>
Date: Tue, 17 Jan 2017 14:42:53 +1100
Subject: [PATCH] Fix Cache.clear()

---
 cachey/cache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cachey/cache.py b/cachey/cache.py
index b8ad6bd..17442a5 100644
--- a/cachey/cache.py
+++ b/cachey/cache.py
@@ -142,7 +142,7 @@ def __contains__(self, key):
         return key in self.data
 
     def clear(self):
-        while self:
+        while self.data:
             self._shrink_one()
 
     def __nonzero__(self):