From e7d0bc079ae9b91914a8439bb080144325c6bf69 Mon Sep 17 00:00:00 2001
From: Bert Palm <bert.palm@ufz.de>
Date: Fri, 5 Feb 2021 20:18:04 +0100
Subject: [PATCH] init fix
---
saqc/flagger/backtrack.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/saqc/flagger/backtrack.py b/saqc/flagger/backtrack.py
index eeedabf9b..522f2dc23 100644
--- a/saqc/flagger/backtrack.py
+++ b/saqc/flagger/backtrack.py
@@ -51,8 +51,10 @@ class Backtrack:
# of the bt parameter and serve as a fastpath for internal
# fast creation of a new BT, where no checks are needed.
if isinstance(bt, Backtrack):
- bt = bt.bt
+ # keep this order, otherwise bt.mask
+ # will refer to pd.Dataframe.mask
mask = bt.mask
+ bt = bt.bt
elif bt is None and mask is None:
bt = pd.DataFrame()
--
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