tests.py 文件源码

def test_sip_api_already_set():
            """Raise ImportError with sip was set to 1 with no hint, default"""
            __import__("PyQt4.QtCore")  # Bypass linter warning
            import sip
            sip.setapi("QString", 1)
            assert_raises(ImportError, __import__, "Qt")

        # A sip API hint of any kind bypasses ImportError
        # on account of it being merely a hint.