def set_prewarp(self, prewarp):
prewarp = _convert_to_charp(prewarp)<EOL>self._set_prewarp_func(self.alpr_pointer, prewarp)<EOL>
Updates the prewarp configuration used to skew images in OpenALPR before
processing.

:param prewarp: A unicode/ascii string (Python 2/3) or bytes array (Python 3)
:return: None