diff --git a/download_server.py b/download_server.py
index 4aec9be4662f0136a251a294f967b2446b85981c..591b2a86a8188d6c4013ce2f666b8b903a102158 100644
--- a/download_server.py
+++ b/download_server.py
@@ -15,13 +15,15 @@ while True :
             
             data = load(f)
             for playlist in data :
+                os.chdir("musics/"+playlist)
                 chn = 'https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&maxResults=25&playlistId='+playlist+'&key='+KEY
                 requete = get(chn)
                 dico = requete.json()
                 all_videos = [x['snippet']['resourceId']['videoId'] for x in dico['items']]
-                with open("musics/"+playlist+'/seen.json','r') as f2 :
+                with open('seen.json','r') as f2 :
                     seen_videos = load(f2)
 
+                os.chdir("contents")
                 i = 0
                 while i < len(all_videos) and all_videos[i] not in seen_videos :
                     vid = all_videos[i]
@@ -30,10 +32,14 @@ while True :
                     seen_videos.append(vid)
                     i += 1
 
-                with open("musics/"+playlist+'/seen.json','w') as f2 :
+                os.chdir("../")
+
+                with open('seen.json','w') as f2 :
                     f2.write(dumps(seen_videos))
 
 
+
+"""
 playlist = "PL8V2Ld0Is1-kWGtqHFOJiwwnU1lWbpC1r"
 chn = 'https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&maxResults=25&playlistId='+playlist+'&key='+KEY
 requete = get(chn)
@@ -42,4 +48,4 @@ requete = get(chn)
 dico = requete.json()
 l = dico['items']
 print([x['snippet']['resourceId']['videoId'] for x in l])
-        
\ No newline at end of file
+"""
\ No newline at end of file