From 5a2a3a6c56699448173e49beb31ae3188b240506 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BE=9D=E7=91=AA=E8=B2=93?= <imacat@mail.imacat.idv.tw>
Date: Fri, 24 Jul 2020 07:25:30 +0800
Subject: [PATCH] Fixed the UrlBuilder utility to allow dummy parameter value
 that is None in the Mia core application.

---
 mia_core/utils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mia_core/utils.py b/mia_core/utils.py
index 08b5145..3551535 100644
--- a/mia_core/utils.py
+++ b/mia_core/utils.py
@@ -175,7 +175,8 @@ class UrlBuilder:
             UrlBuilder: The URL builder itself, with the parameter
                 modified.
         """
-        self.params.append(self.Param(name, value))
+        if value is not None:
+            self.params.append(self.Param(name, value))
         return self
 
     def del_param(self, name):