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from qtpy import QtWidgets
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__all__ = ['get_qapp', 'cleanup_qapp']
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app = None
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def get_qapp():
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global app
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if app is None:
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app = QtWidgets.QApplication.instance()
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if app is None:
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app = QtWidgets.QApplication([''])
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return app
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def cleanup_qapp():
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global app
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app.quit()
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app = None
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