add it back

dagster-io · Oct 10, 2023 · 28fc043 · 28fc043
1 parent 1d73630
commit 28fc043
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/python_modules/dagster/dagster/_config/pythonic_config/config.py b/python_modules/dagster/dagster/_config/pythonic_config/config.py
@@ -164,6 +164,9 @@ def __init__(self, **config_dict) -> None:
         for key, value in config_dict.items():
             field = self.__fields__.get(key)
 
+            if field and not field.required and value is None:
+                continue
+
             if field and field.field_info.discriminator:
                 nested_dict = value