AWS lambda 3.9 import failed error

[pguinard-public-com]

We're getting the following error after upgrading from python 3.8 to python 3.9.

{
"errorMessage": "Unable to import module 'lambda_function': /var/task/psycopg2/_psycopg.so: undefined symbol: PyUnicodeUCS4_DecodeUTF8",
"errorType": "Runtime.ImportModuleError",
"requestId": "REMOVED",
"stackTrace": []
}

Sample lambda function:

# Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0

import boto3
import json
import logging
import os
import psycopg2

Sample requirements.txt

aws-psycopg2==1.3.8

[AbhimanyuHK]

hey @pguinard-public-com

try to uninstall & install

pip uninstall -y aws-psycopg2

pip install aws-psycopg2==1.3.8 -U