From 18f667c234ec894e5180c1c2a02053d73f7879e9 Mon Sep 17 00:00:00 2001
From: Marcin Kuzminski <marcin@rhodecode.com>
Date: Tue, 7 Feb 2017 16:07:05 +0100
Subject: [PATCH] mailer: don't use a mutable default argument

---
 rhodecode/lib/rcmail/smtp_mailer.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rhodecode/lib/rcmail/smtp_mailer.py b/rhodecode/lib/rcmail/smtp_mailer.py
index 0a8d76de..38a26ee5 100644
--- a/rhodecode/lib/rcmail/smtp_mailer.py
+++ b/rhodecode/lib/rcmail/smtp_mailer.py
@@ -71,9 +71,9 @@ class SmtpMailer(object):
         smtplib.stderr = StderrLogger()
         return smtplib
 
-    def send(self, recipients=[], subject='', body='', html='',
+    def send(self, recipients=None, subject='', body='', html='',
              attachment_files=None):
-
+        recipients = recipients or []
         if isinstance(recipients, basestring):
             recipients = [recipients]
         headers = {