--- contrib/python/s3transfer/py3/tests/functional/test_copy.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_copy.py	(working tree)
@@ -15,7 +15,7 @@ from botocore.stub import Stubber
 
 from s3transfer.manager import TransferConfig, TransferManager
 from s3transfer.utils import MIN_UPLOAD_CHUNKSIZE
-from tests import BaseGeneralInterfaceTest, FileSizeProvider
+from __tests__ import BaseGeneralInterfaceTest, FileSizeProvider
 
 
 class BaseCopyTest(BaseGeneralInterfaceTest):
--- contrib/python/s3transfer/py3/tests/functional/test_crt.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_crt.py	(working tree)
@@ -18,7 +18,7 @@ from concurrent.futures import Future
 from botocore.session import Session
 
 from s3transfer.subscribers import BaseSubscriber
-from tests import HAS_CRT, FileCreator, mock, requires_crt, unittest
+from __tests__ import HAS_CRT, FileCreator, mock, requires_crt, unittest
 
 if HAS_CRT:
     import awscrt
--- contrib/python/s3transfer/py3/tests/functional/test_delete.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_delete.py	(working tree)
@@ -11,7 +11,7 @@
 # ANY KIND, either express or implied. See the License for the specific
 # language governing permissions and limitations under the License.
 from s3transfer.manager import TransferManager
-from tests import BaseGeneralInterfaceTest
+from __tests__ import BaseGeneralInterfaceTest
 
 
 class TestDeleteObject(BaseGeneralInterfaceTest):
--- contrib/python/s3transfer/py3/tests/functional/test_download.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_download.py	(working tree)
@@ -23,7 +23,7 @@ from botocore.exceptions import ClientError
 from s3transfer.compat import SOCKET_ERROR
 from s3transfer.exceptions import RetriesExceededError
 from s3transfer.manager import TransferConfig, TransferManager
-from tests import (
+from __tests__ import (
     BaseGeneralInterfaceTest,
     FileSizeProvider,
     NonSeekableWriter,
--- contrib/python/s3transfer/py3/tests/functional/test_manager.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_manager.py	(working tree)
@@ -17,7 +17,7 @@ from botocore.awsrequest import create_request_object
 from s3transfer.exceptions import CancelledError, FatalError
 from s3transfer.futures import BaseExecutor
 from s3transfer.manager import TransferConfig, TransferManager
-from tests import StubbedClientTest, mock, skip_if_using_serial_implementation
+from __tests__ import StubbedClientTest, mock, skip_if_using_serial_implementation
 
 
 class ArbitraryException(Exception):
--- contrib/python/s3transfer/py3/tests/functional/test_processpool.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_processpool.py	(working tree)
@@ -21,7 +21,7 @@ from botocore.stub import Stubber
 
 from s3transfer.exceptions import CancelledError
 from s3transfer.processpool import ProcessPoolDownloader, ProcessTransferConfig
-from tests import FileCreator, mock, unittest
+from __tests__ import FileCreator, mock, unittest
 
 
 class StubbedClient:
--- contrib/python/s3transfer/py3/tests/functional/test_upload.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_upload.py	(working tree)
@@ -23,7 +23,7 @@ from botocore.stub import ANY
 
 from s3transfer.manager import TransferConfig, TransferManager
 from s3transfer.utils import ChunksizeAdjuster
-from tests import (
+from __tests__ import (
     BaseGeneralInterfaceTest,
     NonSeekableReader,
     RecordingOSUtils,
--- contrib/python/s3transfer/py3/tests/functional/test_utils.py	(index)
+++ contrib/python/s3transfer/py3/tests/functional/test_utils.py	(working tree)
@@ -16,7 +16,7 @@ import socket
 import tempfile
 
 from s3transfer.utils import OSUtils
-from tests import skip_if_windows, unittest
+from __tests__ import skip_if_windows, unittest
 
 
 @skip_if_windows('Windows does not support UNIX special files')
--- contrib/python/s3transfer/py3/tests/unit/test_bandwidth.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_bandwidth.py	(working tree)
@@ -25,7 +25,7 @@ from s3transfer.bandwidth import (
     TimeUtils,
 )
 from s3transfer.futures import TransferCoordinator
-from tests import mock, unittest
+from __tests__ import mock, unittest
 
 
 class FixedIncrementalTickTimeUtils(TimeUtils):
--- contrib/python/s3transfer/py3/tests/unit/test_compat.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_compat.py	(working tree)
@@ -17,7 +17,7 @@ import tempfile
 from io import BytesIO
 
 from s3transfer.compat import BaseManager, readable, seekable
-from tests import skip_if_windows, unittest
+from __tests__ import skip_if_windows, unittest
 
 
 class ErrorRaisingSeekWrapper:
--- contrib/python/s3transfer/py3/tests/unit/test_copies.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_copies.py	(working tree)
@@ -11,7 +11,7 @@
 # ANY KIND, either express or implied. See the License for the specific
 # language governing permissions and limitations under the License.
 from s3transfer.copies import CopyObjectTask, CopyPartTask
-from tests import BaseTaskTest, RecordingSubscriber
+from __tests__ import BaseTaskTest, RecordingSubscriber
 
 
 class BaseCopyTaskTest(BaseTaskTest):
--- contrib/python/s3transfer/py3/tests/unit/test_crt.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_crt.py	(working tree)
@@ -15,7 +15,7 @@ from botocore.session import Session
 
 from s3transfer.exceptions import TransferNotDoneError
 from s3transfer.utils import CallArgs
-from tests import HAS_CRT, FileCreator, mock, requires_crt, unittest
+from __tests__ import HAS_CRT, FileCreator, mock, requires_crt, unittest
 
 if HAS_CRT:
     import awscrt.s3
--- contrib/python/s3transfer/py3/tests/unit/test_delete.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_delete.py	(working tree)
@@ -11,7 +11,7 @@
 # ANY KIND, either express or implied. See the License for the specific
 # language governing permissions and limitations under the License.
 from s3transfer.delete import DeleteObjectTask
-from tests import BaseTaskTest
+from __tests__ import BaseTaskTest
 
 
 class TestDeleteObjectTask(BaseTaskTest):
--- contrib/python/s3transfer/py3/tests/unit/test_download.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_download.py	(working tree)
@@ -37,7 +37,7 @@ from s3transfer.download import (
 from s3transfer.exceptions import RetriesExceededError
 from s3transfer.futures import IN_MEMORY_DOWNLOAD_TAG, BoundedExecutor
 from s3transfer.utils import CallArgs, OSUtils
-from tests import (
+from __tests__ import (
     BaseSubmissionTaskTest,
     BaseTaskTest,
     FileCreator,
--- contrib/python/s3transfer/py3/tests/unit/test_futures.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_futures.py	(working tree)
@@ -37,7 +37,7 @@ from s3transfer.utils import (
     NoResourcesAvailable,
     TaskSemaphore,
 )
-from tests import (
+from __tests__ import (
     RecordingExecutor,
     TransferCoordinatorWithInterrupt,
     mock,
--- contrib/python/s3transfer/py3/tests/unit/test_manager.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_manager.py	(working tree)
@@ -16,7 +16,7 @@ from concurrent.futures import ThreadPoolExecutor
 from s3transfer.exceptions import CancelledError, FatalError
 from s3transfer.futures import TransferCoordinator
 from s3transfer.manager import TransferConfig, TransferCoordinatorController
-from tests import TransferCoordinatorWithInterrupt, unittest
+from __tests__ import TransferCoordinatorWithInterrupt, unittest
 
 
 class FutureResultException(Exception):
--- contrib/python/s3transfer/py3/tests/unit/test_processpool.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_processpool.py	(working tree)
@@ -39,7 +39,7 @@ from s3transfer.processpool import (
     ignore_ctrl_c,
 )
 from s3transfer.utils import CallArgs, OSUtils
-from tests import (
+from __tests__ import (
     FileCreator,
     StreamWithError,
     StubbedClientTest,
--- contrib/python/s3transfer/py3/tests/unit/test_s3transfer.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_s3transfer.py	(working tree)
@@ -33,7 +33,7 @@ from s3transfer import (
     random_file_extension,
 )
 from s3transfer.exceptions import RetriesExceededError, S3UploadFailedError
-from tests import mock, unittest
+from __tests__ import mock, unittest
 
 
 class InMemoryOSLayer(OSUtils):
--- contrib/python/s3transfer/py3/tests/unit/test_subscribers.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_subscribers.py	(working tree)
@@ -12,7 +12,7 @@
 # language governing permissions and limitations under the License.
 from s3transfer.exceptions import InvalidSubscriberMethodError
 from s3transfer.subscribers import BaseSubscriber
-from tests import unittest
+from __tests__ import unittest
 
 
 class ExtraMethodsSubscriber(BaseSubscriber):
--- contrib/python/s3transfer/py3/tests/unit/test_tasks.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_tasks.py	(working tree)
@@ -23,7 +23,7 @@ from s3transfer.tasks import (
     Task,
 )
 from s3transfer.utils import CallArgs, FunctionContainer, get_callbacks
-from tests import (
+from __tests__ import (
     BaseSubmissionTaskTest,
     BaseTaskTest,
     RecordingSubscriber,
--- contrib/python/s3transfer/py3/tests/unit/test_upload.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_upload.py	(working tree)
@@ -32,7 +32,7 @@ from s3transfer.upload import (
     UploadSubmissionTask,
 )
 from s3transfer.utils import MIN_UPLOAD_CHUNKSIZE, CallArgs, OSUtils
-from tests import (
+from __tests__ import (
     BaseSubmissionTaskTest,
     BaseTaskTest,
     FileSizeProvider,
--- contrib/python/s3transfer/py3/tests/unit/test_utils.py	(index)
+++ contrib/python/s3transfer/py3/tests/unit/test_utils.py	(working tree)
@@ -43,7 +43,7 @@ from s3transfer.utils import (
     invoke_progress_callbacks,
     random_file_extension,
 )
-from tests import NonSeekableWriter, RecordingSubscriber, mock, unittest
+from __tests__ import NonSeekableWriter, RecordingSubscriber, mock, unittest
 
 
 class TestGetCallbacks(unittest.TestCase):