From f5d949d505eab76e80b25faf976673a63925166f Mon Sep 17 00:00:00 2001
From: Bernd Porr <mail@berndporr.me.uk>
Date: Sun, 21 Jan 2024 12:37:16 +0000
Subject: [PATCH] Bugfix reported in
 https://github.com/berndporr/py-ecg-detectors/issues/24

The wrong array is checked for length. Thanks for @purpl3F0x for spotting it.
---
 ecgdetectors.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ecgdetectors.py b/ecgdetectors.py
index 4b3b825..e69162a 100644
--- a/ecgdetectors.py
+++ b/ecgdetectors.py
@@ -110,7 +110,7 @@ def hamilton_detector(self, unfiltered_ecg):
                         QRS.append(peak)
                         idx.append(i)
                         s_pks.append(ma[peak])
-                        if len(n_pks)>8:
+                        if len(s_pks)>8:
                             s_pks.pop(0)
                         s_pks_ave = np.mean(s_pks)