From b634d18dc55b8f4779d88cdcdeb94847195db90e Mon Sep 17 00:00:00 2001
From: Bertrand Bordage <bordage.bertrand@gmail.com>
Date: Sat, 3 Jun 2017 18:27:58 +0200
Subject: [PATCH] Correctly adds the `long` type.

---
 cachalot/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cachalot/utils.py b/cachalot/utils.py
index c458d4e..09b5930 100644
--- a/cachalot/utils.py
+++ b/cachalot/utils.py
@@ -36,7 +36,7 @@ CACHABLE_PARAM_TYPES = {
 }
 
 if PY2:
-    CACHABLE_PARAM_TYPES.update(long)
+    CACHABLE_PARAM_TYPES.add(long)
 
 UNCACHABLE_FUNCS = set()
 if django_version[:2] >= (1, 9):