From 4f6e2635fc4bdc4053206689819688adf5548c7d Mon Sep 17 00:00:00 2001
From: su530201 <olivier.kaufmann@umons.ac.be>
Date: Thu, 31 Aug 2023 15:46:52 +0200
Subject: [PATCH] Fixes bug in run_measurement

---
 ohmpi/ohmpi.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ohmpi/ohmpi.py b/ohmpi/ohmpi.py
index 29816702..322a9c90 100644
--- a/ohmpi/ohmpi.py
+++ b/ohmpi/ohmpi.py
@@ -460,7 +460,7 @@ class OhmPi(object):
                 delay = 0.
             x = np.where((self._hw.readings[:, 0] >= delay) & (self._hw.readings[:, 2] != 0))
             R = np.mean(self._hw.readings[x, 2]*self._hw.readings[x, 4])/np.median(self._hw.readings[x, 3])
-            R_std = 100. * np.std(self._hw.readings[x, 2] * (self._hw.readings[x, 4] - self.sp) / self._hw.readings[x, 3])/R
+            R_std = 100. * np.std(self._hw.readings[x, 2] * (self._hw.readings[x, 4] - self._hw.sp) / self._hw.readings[x, 3])/R
             d = {
                 "time": datetime.now().isoformat(),
                 "A": quad[0],
-- 
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