Updated requirements
Updated requirements

SeanChen0617/flaskbb,SeanChen0617/flaskbb,emile2016/flaskbb,lucius-feng/flaskbb,Aaron1992/flaskbb,emile2016/flaskbb,dromanow/flaskbb,realityone/flaskbb,Aaron1992/flaskbb,zky001/flaskbb,China-jp/flaskbb,qitianchan/flaskbb,China-jp/flaskbb,Aaron1992/flaskbb,emile2016/flaskbb,realityone/flaskbb,dromanow/flaskbb,zky001/flaskbb,zky001/flaskbb,lucius-feng/flaskbb,dromanow/flaskbb,qitianchan/flaskbb,SeanChen0617/flaskbb-1,SeanChen0617/flaskbb-1,SeanChen0617/flaskbb,qitianchan/flaskbb,lucius-feng/flaskbb,SeanChen0617/flaskbb-1,China-jp/flaskbb,realityone/flaskbb