When I try to use QTextEdit to display markdown file I got the following error:

AttributeError: 'PySide2.QtWidgets.QTextEdit' object has no attribute 'setMarkdown'
 Below is the minimal example:
import sys
from PySide2 import QtWidgets
app = QtWidgets.QApplication(sys.argv)
qte = QtWidgets.QTextEdit()
qte.setMarkdown("Markdown text")
qte.show()
app.exec_()
Is this a known bug?
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