fix bug

checker.py

@@ -1,7 +1,9 @@
 import re
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 import subprocess
 import os
+import time
+import random
 import sys
 import pkg_resources
 
@@ -138,10 +140,8 @@ if __name__ == "__main__":
     grist_row_name = socket.gethostname()
     nodes_table = "Nodes"
     grist = GRIST(grist_server, grist_doc_id, grist_api_key, logger)
-    vms = grist.find_record(name=grist_row_name, table=nodes_table)
-    current_vm = vms[0]
+    current_vm = grist.find_record(name=grist_row_name, table=nodes_table)[0]
     def grist_callback(msg): grist.update(current_vm.id, msg, nodes_table)
-    #register_url = grist.find_settings("Nillion checker url", "Settings")
 
     try:        
         result = check_logs()