From da27247b21dbad8efe4447b703efd7305b9e03b4 Mon Sep 17 00:00:00 2001
From: abdosi <58047199+abdosi@users.noreply.github.com>
Date: Mon, 13 Jul 2020 08:53:19 -0700
Subject: [PATCH]  Fix the None Type Exception when Interface Table does not
 exist (cold boot) as part of db migration (#986)

* Fix for command. show interface transceiver eeprom -d Ethernet
Make sure key is present in dom_info_dict and then only parse
else skip.

* Fix the None Type Exception when Interface Table does not exist (cold boot) as part of db migration
---
 scripts/db_migrator.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/db_migrator.py b/scripts/db_migrator.py
index c6c5f90945..17ec3ea6e6 100755
--- a/scripts/db_migrator.py
+++ b/scripts/db_migrator.py
@@ -115,8 +115,12 @@ def migrate_intf_table(self):
         if self.appDB is None:
             return
 
-        if_db = []
         data = self.appDB.keys(self.appDB.APPL_DB, "INTF_TABLE:*")
+
+        if data is None:
+            return
+
+        if_db = []
         for key in data:
             if_name = key.split(":")[1]
             if if_name == "lo":