def __new__(cls, *args, **kwargs):
if not hasattr(ToastDialog, "_instance"):
with ToastDialog._instance_lock:
if not hasattr(ToastDialog, "_instance"):
ToastDialog._instance = QDialog.__new__(cls)
return ToastDialog._instance
def __new__(cls,**kwargs): # just can exits one instance from each modal that inherit this class
if cls.__instance is None :
cls.__instance = QDialog.__new__(cls)
QDialog.__init__(cls.__instance,kwargs["Parent"])
return cls.__instance
