comment some variables
comment some variables

sohelrana820/flysystem,dstockto/flysystem,oswaldderiemaecker/flysystem,twistor/flysystem,mhlavac/flysystem,nao-pon/flysystem,Amrit01/flysystem,mhlavac/flysystem,twistor/flysystem,sachintaware/flysystem,hannesvdvreken/flysystem,dshafik/flysystem,farmisen/flysystem