Accordingly to XEP-0045's paragraph "7.12 Discovering Reserved Room Nickname", MUC service must behave differently when now: invalid response query 'node' attribute and query contents.
--out--
b'<iq id="5bb9e4863e014afd8cda64991dc66b69-stanza-0xa" from="animus@wayround.org/default" to="!!!@conference.jabber.ru" type="get"><query xmlns="http://jabber.org/protocol/disco#info" node="x-roomuser-item"/></iq>'
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--in---
b"<iq from='!!!@conference.jabber.ru' to='animus@wayround.org/default' id='5bb9e4863e014afd8cda64991dc66b69-stanza-0xa' type='result'><query xmlns='http://jabber.org/protocol/disco#info'><identity category='conference' type='text' name='\xd0\xa0\xd0\xb0\xd0\xb7\xd0\xb2\xd1\x80\xd0\xb0\xd1\x82 |18+'/><feature var='http://jabber.org/protocol/muc'/><feature var='muc_public'/><feature var='muc_persistent'/><feature var='muc_open'/><feature var='muc_semianonymous'/><feature var='muc_moderated'/><feature var='muc_unsecured'/><x xmlns='jabber:x:data' type='result'><field type='hidden' var='FORM_TYPE'><value>http://jabber.org/protocol/muc#roominfo</value></field><field label='Room description' var='muc#roominfo_description'><value>\xd0\xa4\xd0\xbb\xd0\xb8\xd1\x80\xd1\x82 \xd0\x97\xd0\xbd\xd0\xb0\xd0\xba\xd0\xbe\xd0\xbc\xd1\x81\xd1\x82\xd0\xb2\xd0\xbe \xd0\x9e\xd0\xb1\xd1\x89\xd0\xb5\xd0\xbd\xd0\xb8\xd0\xb5</value></field><field label='Number of occupants' var='muc#roominfo_occupants'><value>5</value></field></x></query></iq>"
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