cosmetic fixes
cosmetic fixes

Change-Id: I7468ce385ec9a86a78dd6dd02caaa9c6dc35f152

GoogleCloudPlatform/tensorflow-without-a-phd,GoogleCloudPlatform/tensorflow-without-a-phd,GoogleCloudPlatform/tensorflow-without-a-phd,GoogleCloudPlatform/tensorflow-without-a-phd