Fix issue, caused by empty topic.updated
Fix issue, caused by empty topic.updated

jonsimington/pybbm,NEERAJIITKGP/pybbm,katsko/pybbm,concentricsky/pybbm,katsko/pybbm,just-work/pybbm,artfinder/pybbm,DylannCordel/pybbm,concentricsky/pybbm,wengole/pybbm,webu/pybbm,acamposruiz/quecoins,jonsimington/pybbm,webu/pybbm,ttyS15/pybbm,springmerchant/pybbm,artfinder/pybbm,artfinder/pybbm,wengole/pybbm,skolsuper/pybbm,skolsuper/pybbm,onecue/pybbm,katsko/pybbm,webu/pybbm,hovel/pybbm,ttyS15/pybbm,concentricsky/pybbm,onecue/pybbm,DylannCordel/pybbm,NEERAJIITKGP/pybbm,zekone/dj_pybb,jonsimington/pybbm,skolsuper/pybbm,acamposruiz/quecoins,zekone/dj_pybb,onecue/pybbm,hovel/pybbm,just-work/pybbm,springmerchant/pybbm,acamposruiz/quecoins,zekone/dj_pybb,hovel/pybbm,DylannCordel/pybbm,NEERAJIITKGP/pybbm,ttyS15/pybbm,springmerchant/pybbm,just-work/pybbm,wengole/pybbm