From ee2d9eb88dee72d1b3c0b7583cdd3c8636eaa116 Mon Sep 17 00:00:00 2001
From: Adrian Moennich <adrian.moennich@cern.ch>
Date: Thu, 5 Mar 2015 17:32:20 +0100
Subject: [PATCH] Piwik: Remove mutable default argument

---
 piwik/indico_piwik/piwik.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/piwik/indico_piwik/piwik.py b/piwik/indico_piwik/piwik.py
index f058009..e2391e6 100644
--- a/piwik/indico_piwik/piwik.py
+++ b/piwik/indico_piwik/piwik.py
@@ -48,8 +48,10 @@ class PiwikRequest(object):
         query_url = self.get_query_url(**query_params)
         return self._perform_call(query_url, default_response)
 
-    def get_query(self, query_params={}):
+    def get_query(self, query_params=None):
         """Return a query string"""
+        if query_params is None:
+            query_params = {}
         query = ''
         query_params['idSite'] = self.site_id
         if self.api_token is not None: