From 0f905e4b4479894f67b12ad976402a9660f0cae4 Mon Sep 17 00:00:00 2001
From: Sergey Fedoseev <fedoseev.sergey@gmail.com>
Date: Mon, 31 Jul 2017 13:42:12 +0500
Subject: [PATCH] Removed unneeded TruncBase.arity.

Uneeded since its introduction in 2a4af0ea43512370764303d35bc5309f8abce666.
---
 django/db/models/functions/datetime.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/django/db/models/functions/datetime.py b/django/db/models/functions/datetime.py
index 2c6d66d2e6..a8e1ca45c1 100644
--- a/django/db/models/functions/datetime.py
+++ b/django/db/models/functions/datetime.py
@@ -148,7 +148,6 @@ ExtractYear.register_lookup(YearLte)
 
 
 class TruncBase(TimezoneMixin, Transform):
-    arity = 1
     kind = None
     tzinfo = None