Added guard during method scan

src/__init__.py

@@ -21,8 +21,12 @@ class Main:
 
         handlers = {}
         for c in classes:
+            methods = None
+            try:
                 methods = inspect.getmembers(c, predicate=inspect.ismethod)
                 handlers.update(methods)
+            except Exception as e:
+                pass
 
         builder.connect_signals(handlers)
         window = settings.createWindow()