'When a second .meta file is providing the most recent Content-Type
metadata then merge it into the metafile_metadata.
:param ctype_file: An on-disk .meta file'

def _merge_content_type_metadata(self, ctype_file):

    ctypefile_metadata = self._failsafe_read_metadata(ctype_file, ctype_file)
    if (('Content-Type' in ctypefile_metadata) and (ctypefile_metadata.get('Content-Type-Timestamp') > self._metafile_metadata.get('Content-Type-Timestamp')) and (ctypefile_metadata.get('Content-Type-Timestamp') > self.data_timestamp)):
        self._metafile_metadata['Content-Type'] = ctypefile_metadata['Content-Type']
        self._metafile_metadata['Content-Type-Timestamp'] = ctypefile_metadata.get('Content-Type-Timestamp')
