def replace_NONE_headers(self):
        for header in self.headers:
            if self.headers[header].upper() == 'NONE':
                self.headers[header] = None
Pack a VLR field into bytes.
dataset/ETHPy150Open jseutter/ofxparse/ofxparse/ofxparse.py/OfxFile.replace_NONE_headers--crossover with--dataset/ETHPy150Open grantbrown/laspy/laspy/header.py/VLR.pack