Changed the rule for backup delete permission
diff --git a/requirements.txt b/requirements.txt
index 9c3aad4..1b57644 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,6 +13,6 @@
 oslo_versionedobjects
 openstacksdk>0.28.0
 pymysql
-
+parse
 # email
 # smtplib
\ No newline at end of file