Alternative fix for re-enabling plugin issue

deluge/component.py

@@ -203,6 +203,18 @@ class Component(object):
         d.addCallback(on_stop)
         return d
 
+    def start(self):
+        pass
+
+    def stop(self):
+        pass
+
+    def update(self):
+        pass
+
+    def shutdown(self):
+        pass
+
 class ComponentRegistry(object):
     """
     The ComponentRegistry holds a list of currently registered

deluge/plugins/execute/execute/core.py

@@ -120,9 +120,6 @@ class Core(CorePluginBase):
                 if p.wait() != 0:
                     log.warn("Execute command failed with exit code %d", p.returncode)
 
-    def update(self):
-        pass
-
     def disable(self):
         self.config.save()
         event_manager = component.get("EventManager")