indentation fix

Author: bambadiouf1

sdks/python/apache_beam/options/pipeline_options_test.py

@@ -444,7 +444,7 @@ def test_worker_options(self):
         'abc',
         '--disk_type',
         'def',
-         '--disk_provisioned_iops',
+        '--disk_provisioned_iops',
         '4000',
         '--disk_provisioned_throughput_mibps',
         '200',