From a8b9235fcdd3ce719ee2823ba1fef7be79d37ac0 Mon Sep 17 00:00:00 2001
From: Tommaso Comparin <3862206+tcompa@users.noreply.github.com>
Date: Tue, 3 Oct 2023 09:12:33 +0200
Subject: [PATCH] Make `Channel.window` optional, in `lib_ngff.py` (close #547)

---
 fractal_tasks_core/lib_ngff.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fractal_tasks_core/lib_ngff.py b/fractal_tasks_core/lib_ngff.py
index 0f09e929d..4830b445d 100644
--- a/fractal_tasks_core/lib_ngff.py
+++ b/fractal_tasks_core/lib_ngff.py
@@ -33,7 +33,7 @@ class Channel(BaseModel):
     See https://ngff.openmicroscopy.org/0.4/#omero-md.
     """
 
-    window: Window
+    window: Optional[Window] = None
     label: Optional[str] = None
     family: Optional[str] = None
     color: str