Apply isort.

Author: tswast

pandas/tests/io/test_gbq.py

@@ -9,7 +9,6 @@
 import pandas as pd
 from pandas import DataFrame
 
-
 api_exceptions = pytest.importorskip("google.api_core.exceptions")
 bigquery = pytest.importorskip("google.cloud.bigquery")
 service_account = pytest.importorskip("google.oauth2.service_account")