def get_fw(self, fw_id):
fw = None<EOL>try:<EOL><INDENT>fw = self.neutronclient.show_firewall(fw_id)<EOL><DEDENT>except Exception as exc:<EOL><INDENT>LOG.error("<STR_LIT>"<EOL>"<STR_LIT>", {'<STR_LIT:id>': fw_id, '<STR_LIT>': str(exc)})<EOL><DEDENT>return fw<EOL>
Return the Firewall given its ID.