From 2d70bfac4500f5ab1283f2b3d63ccb5c89bf0c26 Mon Sep 17 00:00:00 2001
From: Pip Liggins <philippa.liggins@dtc.ox.ac.uk>
Date: Tue, 1 Oct 2024 10:56:35 +0200
Subject: [PATCH] update getFloat to return empty strings as None

---
 adtl/transformations.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/adtl/transformations.py b/adtl/transformations.py
index afc1331..9598ab8 100644
--- a/adtl/transformations.py
+++ b/adtl/transformations.py
@@ -95,7 +95,7 @@ def getFloat(
     try:
         return float(value)
     except ValueError:
-        return value
+        return value if value != "" else None
 
 
 def Percentage(value: float):