Fix flattening singleton seqs to just the block
Fix flattening singleton seqs to just the block

tschneidereit/shumway,yurydelendik/shumway,mozilla/shumway,mbebenita/shumway,tschneidereit/shumway,yurydelendik/shumway,yurydelendik/shumway,yurydelendik/shumway,tschneidereit/shumway,mbebenita/shumway,mozilla/shumway,mbebenita/shumway,tschneidereit/shumway,mozilla/shumway,mbebenita/shumway,mbebenita/shumway,yurydelendik/shumway,mozilla/shumway,mozilla/shumway,tschneidereit/shumway,mozilla/shumway,tschneidereit/shumway,mbebenita/shumway,yurydelendik/shumway,yurydelendik/shumway,mozilla/shumway,mbebenita/shumway,tschneidereit/shumway,mozilla/shumway,mbebenita/shumway,yurydelendik/shumway,tschneidereit/shumway