[PyQt] TypeError: unable to convert a QVariant of type 9 to a QMetaType of type 1024

[Zhao Lee]

>>> from PyQt5.QtCore import QSettings
>>> settings = QSettings(QSettings.IniFormat, QSettings.UserScope, "iMath", "LYYDownloader2")
>>> settings.value('list_value3',[],type=list)
Traceback (most recent call last):
  File "<pyshell#30>", line 1, in <module>
    settings.value('list_value3',[],type=list)
TypeError: unable to convert a QVariant of type 9 to a QMetaType of type 1024
>>> settings.value('list_value3',defaultValue = [],type=list)
Traceback (most recent call last):
  File "<pyshell#32>", line 1, in <module>
    settings.value('list_value3',defaultValue = [],type=list)
TypeError: unable to convert a QVariant of type 9 to a QMetaType of type 1024
>>>
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