Fixed exception when deleting SDR source twice.

CHANGELOG.md

@@ -2,6 +2,7 @@
 - Added ability to delete files, when authorized.
 - Added locking to connector-based SDR sources.
 - Improved EIBI schedules display on the map.
+- Fixed exception when disabling SDR source twice.
 - Fixed HL2 noise after HL2 first initialized.
 - No longer reporting AIS messages to IGATE.
 

debian/changelog

@@ -3,6 +3,7 @@ openwebrx (1.2.45) bullseye jammy; urgency=low
   * Added ability to delete files, when authorized.
   * Added locking to connector-based SDR sources.
   * Improved EIBI schedules display on the map.
+  * Fixed exception when disabling SDR source twice.
   * Fixed HL2 noise after HL2 first initialized.
   * No longer reporting AIS messages to IGATE.
 

owrx/sdr.py

@@ -101,16 +101,19 @@ class SourceStateHandler(SdrSourceEventClient):
         self.source.removeClient(self)
 
     def onFail(self):
-        del self.pm[self.key]
+        if self.key in self.pm:
+            del self.pm[self.key]
 
     def onDisable(self):
-        del self.pm[self.key]
+        if self.key in self.pm:
+            del self.pm[self.key]
 
     def onEnable(self):
         self.pm[self.key] = self.source
 
     def onShutdown(self):
-        del self.pm[self.key]
+        if self.key in self.pm:
+            del self.pm[self.key]
 
 
 class ActiveSdrSources(PropertyReadOnly):