Simple-Salesforce not using its own session when instantiating Zeep about simple-salesforce HOT 1 OPEN

...
from .util import call_salesforce
from .messages import DEPLOY_MSG, CHECK_DEPLOY_STATUS_MSG, \
    CHECK_RETRIEVE_STATUS_MSG, RETRIEVE_MSG
from zeep import Client, Settings
from zeep.transports import Transport
...

        self._deploy_zip = None
        wsdl_path = Path(__file__).parent / 'metadata.wsdl'

        transport = Transport(session=self.session)
        self._client = Client(wsdl_path.absolute().as_uri(),
                              settings=Settings(strict=False,
                                                xsd_ignore_sequence_order=True),
                              transport=transport)
        self._service = self._client.create_service(
            "{http://soap.sforce.com/2006/04/metadata}MetadataBinding",
            self.metadata_url)
        self._session_header = self._client.get_element('ns0:SessionHeader')(
            sessionId=self._session_id)