Free OPCUA library of python is hanging Application

When i am using free opcua library in test complete x86  to read server plugs 

My test is working fine and i am get summary report but when i am trying to re run it is not responding.

Am i am making any mistake , Please Check 

Code Used -:

from os import sys
sys.path.insert(0, 'C:\Program Files (x86)\SmartBear\TestComplete 14\Bin\Extensions\Python\Python38\Lib\site-packages')

url = "opc.tcp://S2KAuto157:9680/ICONIS.S2K/OPCUA/DataAccess"

#from datetime import datetime
#opc.tcp://S2KAuto157:9680/ICONIS.S2K/OPCUA/DataAccess

import warnings
with warnings.catch_warnings():
warnings.filterwarnings("ignore")
from opcua import Client

def sample():

{
  client=Client(url)
   client.connect()
   root = client.get_root_node()
    myvar1 = root.get_child(["1:S2KServer","1:MyPurge1","1:Path"])

    Log.Message(myvar1.get_value())

}