diff --git a/scripts/tenant_validator.py b/scripts/tenant_validator.py
index baa4a79..86c9702 100644
--- a/scripts/tenant_validator.py
+++ b/scripts/tenant_validator.py
@@ -6,11 +6,13 @@
 # tenant_validator.py
 # Grab the data from Tenant and check if the information is invalidate
 
+from __future__ import absolute_import
+
 import re
+import sys
 import yaml
 import logging
 import argparse
-import nbhelper
 import pynetbox
 import requests
 import netaddr
@@ -30,7 +32,8 @@
 
 # A Regex rule to identify if device name is a valid domain
 fqdn_regex = re.compile(
-    "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$"
+    r"^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*"
+    + r"([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$"
 )