[FIX]Rsync fix on non-regular files

backups/rsyncvolumes/plan.tpl.py

@@ -4,6 +4,7 @@ from zipfile import ZipFile, ZIP_DEFLATED
 from datetime import datetime
 from os import walk, unlink
 from os.path import join as osjoin
+from os.path import isfile
 from glob import glob
 
 # Backup plan for Docker volumes
@@ -29,6 +30,7 @@ def zipdir(path, ziph):
     # ziph is zipfile handle
     for root, dirs, files in walk(path):
         for file in files:
+            if isfile(file):
                 ziph.write(osjoin(root, file))
 
 f = ZipFile(zippath, 'w', ZIP_DEFLATED)