From 5e5fd0b76769076fc059dda7e85684c40758837a Mon Sep 17 00:00:00 2001
From: peterdudfield <peter.dudfield@hotmail.com>
Date: Tue, 14 May 2024 15:23:53 +0100
Subject: [PATCH] add Optional

---
 src/pydantic_models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pydantic_models.py b/src/pydantic_models.py
index 2c11862..b14a5b2 100644
--- a/src/pydantic_models.py
+++ b/src/pydantic_models.py
@@ -196,7 +196,7 @@ class NationalForecastValue(ForecastValue):
         None, description="Dictionary to hold properties of the forecast, like p_levels. "
     )
 
-    expected_power_generation_normalized: float = Field(
+    expected_power_generation_normalized: Optional[float] = Field(
         None,
         ge=0,
         description="exclude the normalized power",