From 9fd8567ecd3f7f2e3f321604d4928d11c99f2e2e Mon Sep 17 00:00:00 2001
From: Benjamin Dauvergne <bdauvergne@entrouvert.com>
Date: Mon, 13 Jan 2020 11:26:50 +0100
Subject: [PATCH] visualisation: return 0.0 for None measures in json_data
 (#38913)

---
 bijoe/visualization/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bijoe/visualization/utils.py b/bijoe/visualization/utils.py
index 034b141..b87a32a 100644
--- a/bijoe/visualization/utils.py
+++ b/bijoe/visualization/utils.py
@@ -291,6 +291,8 @@ class Visualization(object):
                 value = float(value)
             if isinstance(value, datetime.timedelta):
                 value = value.days + value.seconds / 86400.
+            if isinstance(value, None):
+                return 0.0
             return value
 
         if len(self.drilldown) == 2:
-- 
2.24.0