[Python] HTTPBasicAuth.__init__() takes 3 positional arguments but 50 were given

This is my code for a basic Authentication

*** Settings ***
Library RequestsLibrary

*** Variables ***
${BASE_URL} BASE_URL
${USERNAME} USERNAME
${PASSWORD} PASSWORD
${CONTENT_TYPE} application/x-www-form-urlencoded
${GRANT_TYPE} grant_type=client_credentials

*** Test Cases ***
Send POST Request with Basic Auth
[Tags] api
Create Session mysession ${BASE_URL} auth=${USERNAME}:${PASSWORD}
${headers}= Create Dictionary Content-Type=${CONTENT_TYPE}


${response}= Post Request mysession / data=${GRANT_TYPE} headers=${headers}

Log ${response.status_code}
Log ${response.Content}


This issur apear HTTPBasicAuth.init() takes 3 positional arguments but 50 were given.

Could You help me please?

actual result:

HTTPBasicAuth.__init__() takes 3 positional arguments but 50 were given

Continue reading...