From c1b4b7e476a9a860e8d37080382cfcfca2eec68b Mon Sep 17 00:00:00 2001
From: Sven Augustin <sven.augustin@psi.ch>
Date: Wed, 8 Sep 2021 11:33:59 +0200
Subject: [PATCH] drop data that is missing newly added channel

---
 bscache.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bscache.py b/bscache.py
index d0823ce..3a31fc0 100644
--- a/bscache.py
+++ b/bscache.py
@@ -48,6 +48,10 @@ class BSCache:
         self.channels.add(name)
         self.pt.start()
 
+        while self.data is None or name not in self.data:
+            print("dropping data that is missing new channel:", name)
+            next(self)
+