test

AlirezaDehlaghi · Jan 10, 2024 · 6c76534 · 6c76534
1 parent 592bd5d
commit 6c76534
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/ics_sim/Device.py b/src/ics_sim/Device.py
@@ -40,6 +40,9 @@ def add_sensor(self, tag, fault):
     def read(self, tag):
         if tag in self._sensors.keys():
             value = self._get(tag)
+            if value is None:
+                print(f"The tag: {tag} recieved null value from databse. return -1!")
+                return -1
             value += random.uniform(value, -1 * value) * self._sensors[tag]
             return value
         else: