python - str() error when running AWS Lambda (converting uuid to string) w/ Dynamo DB -

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i have tried converting uuid string in code below , error. regardless of whether or not declare str() separately uuid.uuid4() see code below:

    __future__ import print_function     decimal import *     import boto3     import json     locale import str     import uuid      def my_handler(event, context):         description = event['description']          spot_id = uuid.uuid4() #unique identifier spot          dynamodb = boto3.client('dynamodb')         tablesinfo = "sinfo"         dynamodb.put_item(         tablename = tablesinfo, item = {           'spot_id':{'s' : str(spot_id)},           'description': {'s' : description           }         )         return {'spot_id' : spot_id}

these errors receive:

{   "stacktrace": [     [       "/var/task/create_spot_test.py",       15,       "my_handler",       "'spot_id':{'s' : str(spot_id)},"     ],     [       "/usr/lib64/python2.7/locale.py",       303,       "str",       "return format(\"%.12g\", val)"     ],     [       "/usr/lib64/python2.7/locale.py",       196,       "format",       "return _format(percent, value, grouping, monetary, *additional)"     ],     [       "/usr/lib64/python2.7/locale.py",       202,       "_format",       "formatted = percent % value"     ]   ],   "errortype": "typeerror",   "errormessage": "float argument required, not uuid" }

from locale import str not needed (was imported previous error)

also must first declare uuid = uuid.uuid4() variable , declare variable converting string spot_id = str(uuid) rather running str() inline.


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