Fixed a bug that removed snapshots even if zfs send failed. Removed

debug output

bin/zsnapper

@@ -210,6 +210,7 @@ def send_snapshots(fslist, snapshots, config, sudo):
             log.info('{} successfully sent to remote'.format(fs))
         except zsnaplib.ZFSSnapshotError as e:
             log.warning(e)
+            failed_snapshots.add(fs)
     return failed_snapshots
 
 def weed_snapshots(fslist, snapshots, config, sudo, failed_snapshots):

zsnaplib/__init__.py

@@ -46,7 +46,6 @@ def do_zfs_command(args, sudo, pipecmd=None, zfs_cmd=[zfs_bin]):
     (out, err) = ctrl_proc.communicate()
 
     if ctrl_proc.returncode != 0:
-        print(proc.returncode)
         raise ZFSSnapshotError('Failed to execute {}: {}'.format(cmd, err))
     return out