Merge pull request #1786 from wxWidgets/fix-issue1782

Ensure the watch list widget is updated after adding a new module

wx/lib/eventwatcher.py

@@ -342,6 +342,7 @@ class EventWatcher(wx.Frame):
     def updateBindings(self):
         widget = self._watchedWidget
         self.unwatch()
+        self.buildWatchList(_noWatchList)
         if widget:
             self.watch(widget)