Access Token error every few minutes

Soham296 edited November 2020 in Python client

I am getting the below boto3 error every now and then when i read the websocket. However, the same access token works on re-running. Am I missing anything? Is this a known issue? Or any other suggestion to handle this scenario?

I am executing my code from AWS Linux.
Error Message:
botocore.exceptions.ClientError: An error occurred (ExpiredTokenException) when calling the PutItem operation: The security token included in the request is expired

Just to add, all i am doing is calling a function on ticks that writes the data into dynamodb. No calculations and operations.

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