From f0d04ddb13d0a925d9b62106991dfb96c44552f7 Mon Sep 17 00:00:00 2001
From: Daniel Duque <daniel.duque@cern.ch>
Date: Thu, 18 Sep 2025 14:53:30 +0200
Subject: [PATCH] fix: Fix spilllogs with missing seq_running

---
 bin/sequencer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bin/sequencer.py b/bin/sequencer.py
index 80ad8ae..f19740b 100755
--- a/bin/sequencer.py
+++ b/bin/sequencer.py
@@ -197,6 +197,10 @@ def chronobox_channel(odb: dict, channel_name: str) -> Optional[ChronoboxChannel
         right_on=["board_running", "channel_running"],
         how="semi",
     )
+    # This is needed because, given that alphasoft doesn't use the `seq_running`
+    # signal, people don't care about it/don't notice if it's not working.
+    # Hence, don't break for sequences with no events.
+    sequencer_df = sequencer_df.filter(pl.col("event_table").list.len() > 0)
     for (shift,) in (
         sequencer_df.select(
             pl.first("midas_timestamp", "board_running", "channel_running")