BigQuerySource(query=...) in DirectRunner creates temp dataset in the wrong location

2018-09-21 11:39:52,620 WARNING root create_temporary_dataset
Dataset myproject:temp_dataset_0bbb28f014a24225b668a67341f4f71e does not exist so we will create it as temporary with location=None 

HttpBadRequestError: HttpError accessing <https://www.googleapis.com/bigquery/v2/projects/myproject/queries/xyz123?alt=json&maxResults=10000>: response: <{'status': '400', 'content-length': '354', 'x-xss-protection': '1; mode=block', 'x-content-type-options': 'nosniff', 'transfer-encoding': 'chunked', 'vary': 'Origin, X-Origin, Referer', 'server': 'ESF', '-content-encoding': 'gzip', 'cache-control': 'private', 'date': 'Fri, 21 Sep 2018 09:39:55 GMT', 'x-frame-options': 'SAMEORIGIN', 'alt-svc': 'quic=":443"; ma=2592000; v="44,43,39,35"', 'content-type': 'application/json; charset=UTF-8'}>, content <{
  "error": {
    "code": 400,
    "message": "Cannot read and write in different locations: source: EU, destination: US",
    "errors": [
      {
        "message": "Cannot read and write in different locations: source: EU, destination: US",
        "domain": "global",
        "reason": "invalid"
      }
    ],
    "status": "INVALID_ARGUMENT"
  }