Fixed testcase TestLibrary.test_write_with_custom_path
Fixed testcase TestLibrary.test_write_with_custom_path

on windows it is important to use syspath with functions
to modify path

artemutin/beets,jackwilsdon/beets,beetbox/beets,MyTunesFreeMusic/privacy-policy,xsteadfastx/beets,artemutin/beets,jackwilsdon/beets,kelvinhammond/beets,kareemallen/beets,kelvinhammond/beets,lengtche/beets,Kraymer/beets,MyTunesFreeMusic/privacy-policy,jcoady9/beets,LordSputnik/beets,Kraymer/beets,MyTunesFreeMusic/privacy-policy,sampsyo/beets,artemutin/beets,Freso/beets,sampsyo/beets,mried/beets,beetbox/beets,Freso/beets,jackwilsdon/beets,Freso/beets,artemutin/beets,sampsyo/beets,pkess/beets,kareemallen/beets,parapente/beets,shamangeorge/beets,pkess/beets,jackwilsdon/beets,SusannaMaria/beets,jcoady9/beets,diego-plan9/beets,mried/beets,kareemallen/beets,shamangeorge/beets,xsteadfastx/beets,pkess/beets,Kraymer/beets,swt30/beets,swt30/beets,lengtche/beets,pkess/beets,diego-plan9/beets,xsteadfastx/beets,kareemallen/beets,parapente/beets,mried/beets,madmouser1/beets,LordSputnik/beets,ibmibmibm/beets,beetbox/beets,SusannaMaria/beets,madmouser1/beets,lengtche/beets,Kraymer/beets,sampsyo/beets,Freso/beets,jcoady9/beets,shamangeorge/beets,SusannaMaria/beets,diego-plan9/beets,shamangeorge/beets,swt30/beets,lengtche/beets,kelvinhammond/beets,LordSputnik/beets,parapente/beets,jcoady9/beets,mosesfistos1/beetbox,kelvinhammond/beets,LordSputnik/beets,diego-plan9/beets,parapente/beets,ibmibmibm/beets,mosesfistos1/beetbox,xsteadfastx/beets,madmouser1/beets,beetbox/beets,ibmibmibm/beets,MyTunesFreeMusic/privacy-policy,mosesfistos1/beetbox,SusannaMaria/beets,madmouser1/beets,mosesfistos1/beetbox,mried/beets,ibmibmibm/beets,swt30/beets