From 92a5bb4b33a4eaec08f9743f98fd9f9ec0800d33 Mon Sep 17 00:00:00 2001
From: luenensc <peter.luenenschloss@ufz.de>
Date: Tue, 10 Jan 2023 10:28:52 +0100
Subject: [PATCH] fixed one-off error in inerpolateNaNs

---
 saqc/lib/ts_operators.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/saqc/lib/ts_operators.py b/saqc/lib/ts_operators.py
index e63eb8b74..b18ad1560 100644
--- a/saqc/lib/ts_operators.py
+++ b/saqc/lib/ts_operators.py
@@ -310,7 +310,7 @@ def interpolateNANs(
     else:
         gap_mask = (
             gap_mask.replace(True, np.nan)
-            .fillna(method="bfill", limit=inter_limit)
+            .fillna(method="bfill", limit=inter_limit-1)
             .replace(np.nan, True)
             .astype(bool)
         )
-- 
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