Rearrange the imports to meet the style guide

This also includes `from __future__ import absolute_import`
in every file so that the imports are consistent in Python 2 and 3.
The Python 2 tests fail without this.

tests/test_web/test_auth.py

@@ -1,16 +1,17 @@
 # -*- coding: utf-8 -*-
 # SPDX-License-Identifier: MIT
+from __future__ import absolute_import
 from os import path
 
-import pytest
-import requests
 import mock
 from mock import patch, PropertyMock, Mock
+import pytest
+import requests
 
-import module_build_service.web.auth
-import module_build_service.common.errors
-import module_build_service.common.config as mbs_config
 from module_build_service import app
+import module_build_service.common.config as mbs_config
+import module_build_service.common.errors
+import module_build_service.web.auth
 
 
 class TestAuthModule:

tests/test_web/test_mmd_resolver.py

@@ -1,11 +1,13 @@
 # -*- coding: utf-8 -*-
 # SPDX-License-Identifier: MIT
+from __future__ import absolute_import
 import collections
+
 import pytest
 import solv
 
-from module_build_service.web.mmd_resolver import MMDResolver
 from module_build_service import Modulemd
+from module_build_service.web.mmd_resolver import MMDResolver
 
 
 class TestMMDResolver:

tests/test_web/test_mse.py

@@ -1,9 +1,11 @@
 # -*- coding: utf-8 -*-
 # SPDX-License-Identifier: MIT
+from __future__ import absolute_import
+
 import pytest
 
-from module_build_service.scheduler.db_session import db_session
 from module_build_service.common.errors import StreamAmbigous
+from module_build_service.scheduler.db_session import db_session
 from module_build_service.web.mse import (
     expand_mse_streams, generate_expanded_mmds, get_mmds_required_by_module_recursively
 )

tests/test_web/test_submit.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # SPDX-License-Identifier: MIT
+from __future__ import absolute_import
 import io
 from os import path
 from shutil import rmtree
@@ -10,9 +11,9 @@ import pytest
 from werkzeug.datastructures import FileStorage
 
 from module_build_service.common import models
+from module_build_service.common.errors import ValidationError
 from module_build_service.common.utils import mmd_to_str
 from module_build_service.scheduler.db_session import db_session
-from module_build_service.common.errors import ValidationError
 from module_build_service.web.submit import (
     get_prefixed_version, submit_module_build, submit_module_build_from_yaml
 )

tests/test_web/test_views.py

@@ -1,23 +1,30 @@
 # -*- coding: utf-8 -*-
 # SPDX-License-Identifier: MIT
+from __future__ import absolute_import
 import json
 from datetime import datetime
 from functools import partial
-from sqlalchemy.orm import load_only
-
-from mock import patch, PropertyMock, Mock
-from shutil import copyfile
+import hashlib
 from os import path, mkdir
 from os.path import basename, dirname, splitext
-from requests.utils import quote
-import hashlib
-import koji
-import pytest
 import re
-import sqlalchemy
+from shutil import copyfile
 
+import koji
+from mock import patch, PropertyMock, Mock
+from requests.utils import quote
+import pytest
+import sqlalchemy
+from sqlalchemy.orm import load_only
+
+from module_build_service import app, version
 from module_build_service.builder.utils import get_rpm_release
+import module_build_service.common.config as mbs_config
+from module_build_service.common.errors import UnprocessableEntity
+from module_build_service.common.models import ModuleBuild, BUILD_STATES, ComponentBuild
 from module_build_service.common.utils import load_mmd, import_mmd, mmd_to_str
+from module_build_service.scheduler.db_session import db_session
+import module_build_service.web.submit
 from tests import (
     init_data,
     clean_database,
@@ -27,12 +34,6 @@ from tests import (
     time_assert,
 )
 from tests.test_common.test_scm import base_dir as scm_base_dir
-from module_build_service.scheduler.db_session import db_session
-from module_build_service.common.errors import UnprocessableEntity
-from module_build_service.common.models import ModuleBuild, BUILD_STATES, ComponentBuild
-from module_build_service import app, version
-import module_build_service.common.config as mbs_config
-import module_build_service.web.submit
 
 
 user = ("Homer J. Simpson", {"packager"})