import bqgcs
from google.cloud import bigquery, storage

gcs = storage.Client()
blob = gcs.bucket("<<bucket_name>>").blob("<<blob_name>>")
bqgcs.query_to_gcs("SELECT * FROM 'project.dataset.table'", blob)

bq = bigquery.Client()
table = bq.dataset("<<dataset>>").table("<<table>>")
bqgcs.gcs_to_bq(blob, table)