From 7cfbb3f56ba00799c5dcb3135b9c8ccd974b16fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Balzarotti?= <nicolo.balzarotti@iit.it>
Date: Thu, 5 Jan 2023 15:49:33 +0100
Subject: [PATCH] fixup

---
 sensors.py | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/sensors.py b/sensors.py
index fa82233..5abc371 100644
--- a/sensors.py
+++ b/sensors.py
@@ -28,15 +28,13 @@ class GPIOState(Sensor):
     def __init__(self, pin, transform=lambda x: 1-x):
         self.pin = pin
         self.transform = transform
-        
-        self.value = GPIO.input(self.pin)
-        self.update_time()
-
-    def update_time(self):
-        self.time = perf_counter()
 
     def read(self):
-        self.value = GPIO.input(self.pin)
+        try:
+            self.value = GPIO.input(self.pin)
+        except:
+            self.value = None
+        self.time = perf_counter()
         
         return (self.time, self.transform(self.value))