fix timer calling wrong function

pyArchUpdatesTray.py

@@ -38,20 +38,17 @@ class TrayIcon(Gtk.StatusIcon):
         menu.popup(None, None, None, self, 3, gtk_time)
 
     def restart_timer(self):
-        #print("start_timer(), self.lastupdate=" + str(self.lastupdate))
         if self.update_timer.is_alive():
             self.update_timer.cancel()
 
-        self.update_timer = threading.Timer(self.check_interval, self.run_checkupdates)
-        #self.update_timer = threading.Timer(2, self.restart_timer)
+        self.update_timer = threading.Timer(self.check_interval, self.restart_timer)
         self.update_timer.start()
         self.run_checkupdates(None)
 
-    def run_checkupdates(self, widget, force_update=False):
+    def run_checkupdates(self, widget=None, force_update=False):
         cur_time = time.mktime(time.localtime())
         
         if cur_time > self.check_interval + self.lastupdate or force_update == True:
-            print("Checking for updates")
             self.lastupdate = cur_time
             output = subprocess.run("checkupdates", stdout=subprocess.PIPE)
             parsed = output.stdout.decode("utf-8")