From f5ee18443a517e8923d55643743459f9b78a34e6 Mon Sep 17 00:00:00 2001
From: Reynold Mok <34395415+reyery@users.noreply.github.com>
Date: Wed, 17 Jan 2024 11:40:57 +0100
Subject: [PATCH] Prevent labels from being encoded as NaN in JSON

---
 cea/interfaces/dashboard/api/inputs.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cea/interfaces/dashboard/api/inputs.py b/cea/interfaces/dashboard/api/inputs.py
index fe83780ae1..a0f8735a87 100644
--- a/cea/interfaces/dashboard/api/inputs.py
+++ b/cea/interfaces/dashboard/api/inputs.py
@@ -471,6 +471,10 @@ def get_choices(choice_properties, path):
         out.append({'value': choice_properties['none_value'], 'label': ''})
     for choice in choices:
         label = df.loc[df[lookup['column']] == choice, 'Description'].values[0] if 'Description' in df.columns else ''
+
+        # Prevent labels to be encoded as NaN in JSON
+        if str(label) == 'nan':
+            label = 'none'
         out.append({'value': choice, 'label': label})
     return out