Added hasattr check to NanoAODEvents __repr__

scikit-hep · Oct 15, 2023 · 881ec08 · 881ec08
1 parent 1aa0fbd
commit 881ec08
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/coffea/nanoevents/methods/nanoaod.py b/src/coffea/nanoevents/methods/nanoaod.py
@@ -13,8 +13,12 @@
 
 class _NanoAODEvents(behavior["NanoEvents"]):
     def __repr__(self):
-        return f"<event {self.run}:{self.luminosityBlock}:{self.event}>"
-
+        if (hasattr(self,"run") and
+                hasattr(self,"luminosityBlock") and
+                hasattr(self,"event")):
+            return f"<event {self.run}:{self.luminosityBlock}:{self.event}>"
+        else:
+            return "<event>"
 
 behavior["NanoEvents"] = _NanoAODEvents