Drop usage of six

Because this plugin no longer supports python 2, six is no longer
necessary.

Change-Id: I028bba43e93193b2f95eb9a196d0ea2a830f1b30

glance_tempest_plugin/tests/rbac/v2/test_project_admin_tests.py

@@ -10,7 +10,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import six
+import io
 
 from tempest import config
 from tempest.lib.common.utils import data_utils
@@ -277,7 +277,7 @@ class ImageProjectAdminTests(rbac_base.ImageV2RbacImageTest,
     @decorators.idempotent_id('947f1ae1-c5b6-4552-89e3-1078ca722be4')
     def test_upload_image(self):
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
@@ -692,7 +692,7 @@ class ImageProjectAdminTests(rbac_base.ImageV2RbacImageTest,
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         image = project_client.image_client_v2.create_image(
             **self.image(visibility='private'))
@@ -770,7 +770,7 @@ class ImageProjectAdminTests(rbac_base.ImageV2RbacImageTest,
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         image = project_client.image_client_v2.create_image(
             **self.image(visibility='private'))

glance_tempest_plugin/tests/rbac/v2/test_project_members_tests.py

@@ -10,7 +10,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import six
+import io
 
 from tempest import config
 from tempest.lib.common.utils import data_utils
@@ -250,7 +250,7 @@ class ImagesProjectMemberTests(rbac_base.ImageV2RbacImageTest,
     @decorators.idempotent_id('bd5845dc-d96b-4d83-a8da-7978bd91ddc1')
     def test_upload_image(self):
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
@@ -595,7 +595,7 @@ class ImagesProjectMemberTests(rbac_base.ImageV2RbacImageTest,
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         # Create a private image in the persona user's project and make sure
         # the persona user can deactivate it.
@@ -675,7 +675,7 @@ class ImagesProjectMemberTests(rbac_base.ImageV2RbacImageTest,
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         # Create a private image within the persona user's project and make
         # sure we can reactivate it.

glance_tempest_plugin/tests/rbac/v2/test_project_reader_tests.py

@@ -10,7 +10,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import six
+import io
 
 from tempest import config
 from tempest.lib.common.utils import data_utils
@@ -134,7 +134,7 @@ class ImagesProjectReaderTests(
     @decorators.idempotent_id('b7ac2883-f569-4032-a35b-a79ef1277582')
     def test_upload_image(self):
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
@@ -445,7 +445,7 @@ class ImagesProjectReaderTests(
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         # Create a new private image in the persona user's project.
         image = project_client.image_client_v2.create_image(
@@ -522,7 +522,7 @@ class ImagesProjectReaderTests(
         project_id = self.persona.credentials.project_id
         project_client = self.setup_user_client(project_id=project_id)
         file_contents = data_utils.random_bytes()
-        image_data = six.BytesIO(file_contents)
+        image_data = io.BytesIO(file_contents)
 
         # Create a private image in the persona user's project.
         image = project_client.image_client_v2.create_image(

requirements.txt

@@ -4,6 +4,5 @@
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 oslo.config>=5.1.0 # Apache-2.0
-six>=1.10.0 # MIT
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 tempest>=17.1.0 # Apache-2.0