def isWinNT(self):
        """
        Are we running in Windows NT?

        This is deprecated and always returns C{True} on win32 because
        Twisted only supports Windows NT-derived platforms at this point.

        @return: C{True} if the current platform has been detected as
            Windows NT.
        @rtype: C{bool}
        """
        warnings.warn(
                "twisted.python.runtime.Platform.isWinNT was deprecated in "
                "Twisted 13.0. Use Platform.isWindows instead.",
                DeprecationWarning, stacklevel=2)
        return self.isWindows()

        Are we running in Windows NT?

        This is deprecated and always returns C{True} on win32 because
        Twisted only supports Windows NT-derived platforms at this point.

        @return: C{True} if the current platform has been detected as
            Windows NT.
        @rtype: C{bool}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/python/runtime.py