MAINT: Simpler impl of `pad_lines_after_first`.
MAINT: Simpler impl of `pad_lines_after_first`.

bartosh/zipline,enigmampc/catalyst,alphaBenj/zipline,enigmampc/catalyst,quantopian/zipline,florentchandelier/zipline,magne-max/zipline-ja,Scapogo/zipline,humdings/zipline,Scapogo/zipline,magne-max/zipline-ja,quantopian/zipline,bartosh/zipline,humdings/zipline,alphaBenj/zipline,florentchandelier/zipline