1 files changed, 4 insertions, 3 deletions
diff --git a/python/analytics/utils.py b/python/analytics/utils.py
index c8e5901b..8c01d2ae 100644
--- a/python/analytics/utils.py
+++ b/python/analytics/utils.py
@@ -188,11 +188,12 @@ def memoize(f=None, *, hasher=lambda args: (hash(args),)):
     def cached_f(*args, **kwargs):
         self = args[0]
         key = (f.__name__, *hasher(args))
-        if key in self._cache:
-            return self._cache[key]
+        cache = getattr(self, f"_{type(self).__name__}__cache")
+        if key in cache:
+            return cache[key]
         else:
             v = f(*args, **kwargs)
-            self._cache[key] = v
+            cache[key] = v
             return v
 
     return cached_f