fix for flower error with function signature
fix for flower error with function signature

pygeek/flower,alexmojaki/flower,Lingling7/flower,asmodehn/flower,alexmojaki/flower,allengaller/flower,pygeek/flower,allengaller/flower,barseghyanartur/flower,pygeek/flower,barseghyanartur/flower,asmodehn/flower,tellapart/flower,barseghyanartur/flower,asmodehn/flower,Lingling7/flower,marrybird/flower,tellapart/flower,jzhou77/flower,tellapart/flower,Lingling7/flower,ucb-bar/bar-crawl-web,allengaller/flower,lucius-feng/flower,marrybird/flower,lucius-feng/flower,jzhou77/flower,jzhou77/flower,marrybird/flower,alexmojaki/flower,ucb-bar/bar-crawl-web,lucius-feng/flower,ChinaQuants/flower,ChinaQuants/flower,ucb-bar/bar-crawl-web,ChinaQuants/flower