use broadcasting

scikit-hep · Apr 22, 2023 · 4cb8986 · 4cb8986
1 parent 3ca2b7d
commit 4cb8986
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/coffea/nanoevents/methods/base.py b/coffea/nanoevents/methods/base.py
@@ -40,7 +40,7 @@ def _ensure_systematics(self):
         Make sure that the parent object always has a field called '__systematics__'.
         """
         if "__systematics__" not in awkward.fields(self):
-            self["__systematics__"] = awkward.Array(len(self) * [{}])
+            self["__systematics__"] = {}
 
     @property
     def systematics(self):