diff --git a/djangoldp/serializers.py b/djangoldp/serializers.py
index 89af73473e35efb57326c4097afa9f0e08cfde2e..dedcdfe5567201ede30f8baf8c9708ecfbc5eee8 100644
--- a/djangoldp/serializers.py
+++ b/djangoldp/serializers.py
@@ -40,10 +40,7 @@ class InMemoryCache:
         }
 
     def has(self, cache_key, vary):
-        if cache_key in self.cache and vary in self.cache[cache_key]:
-            return True
-        else:
-            return cache_key in self.cache
+        return cache_key in self.cache and vary in self.cache[cache_key]
 
     def get(self, cache_key, vary):
         if self.has(cache_key, vary):