Fix - from_service_account_json is a classmethod

mxmzdlv · mxmzdlv · commit 2c76f75d57a5 · 2018-04-28T00:40:55.000+12:00
diff --git a/pybigquery/sqlalchemy_bigquery.py b/pybigquery/sqlalchemy_bigquery.py
@@ -103,11 +103,10 @@ def dbapi(cls):
         return dbapi
 
     def create_connect_args(self, url):
-        project = url.host
         if self.credentials_path:
-            client = bigquery.Client(project).from_service_account_json(self.credentials_path)
+            client = bigquery.Client.from_service_account_json(self.credentials_path)
         else:
-            client = bigquery.Client(project)
+            client = bigquery.Client(url.host)
         return ([client], {})
 
     def _split_table_name(self, full_table_name):
