Handling null display names.

manage_users.py

@@ -81,8 +81,9 @@ def restore_members( input_file ):
         #print json.dumps(datam, indent=2)
         for member in data['members']:
             #print(str(member))
-            #print('list_fqdn:'+ member['list_fqdn'])
-            #print('display_name'+ member['display_name'])
+            print('list_fqdn:'+ member['list_fqdn'])
+            if( member['display_name'] is not None):
+                print('display_name'+ member['display_name'])
             print('email'+ member['email'])
             #new_member_list.append(member_email)
     if input_file != '-':