try:
# Work around unsolicited server responses in imaplib by clearing them
self.mail_con.response('STORE')
- _result, data = self.mail_con.uid('STORE', mid_range, '+FLAGS', "(\Seen)")
+ _result, data = self.mail_con.uid('STORE', mid_range, '+FLAGS', "(\\Seen)")
logging.debug("New flags for messages %s are %s", mid_range, data)
except (self.mail_con.error) as ex:
raise UserWarning("Could not set the flags for some messages: %s", ex)