def get_dates(self):
if '<STR_LIT>' in self.xml:<EOL><INDENT>if isinstance(self.xml['<STR_LIT>']['<STR_LIT:date>'], dict):<EOL><INDENT>return self.xml['<STR_LIT>']['<STR_LIT:date>'].values()[<NUM_LIT:0>]<EOL><DEDENT>return self.xml['<STR_LIT>']['<STR_LIT:date>']<EOL><DEDENT>return None<EOL>
Get DataCite dates.