Use .blank instead of .empty with guard.
Use .blank instead of .empty with guard.

gaapt/bookyt,silvermind/bookyt,wtag/bookyt,gaapt/bookyt,xuewenfei/bookyt,huerlisi/bookyt,wtag/bookyt,xuewenfei/bookyt,huerlisi/bookyt,gaapt/bookyt,hauledev/bookyt,huerlisi/bookyt,hauledev/bookyt,gaapt/bookyt,silvermind/bookyt,silvermind/bookyt,wtag/bookyt,xuewenfei/bookyt,hauledev/bookyt,silvermind/bookyt,hauledev/bookyt