isort 5 compatibility (#7786)

The CI appears to use the latest version of isort, which is a problem when isort gets a major version bump. Rather than try to pin the version, I've done the necessary to make isort5 happy with synapse.

3 files changed, 2 insertions, 8 deletions

diff --git a/tests/handlers/test_e2e_keys.py b/tests/handlers/test_e2e_keys.py

index 6c1dc72bd1..1acf287ca4 100644
--- a/tests/handlers/test_e2e_keys.py
+++ b/tests/handlers/test_e2e_keys.py
@@ -14,11 +14,9 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 import mock
 
-import signedjson.key as key
-import signedjson.sign as sign
+from signedjson import key as key, sign as sign
 
 from twisted.internet import defer
 
diff --git a/tests/rest/media/v1/test_media_storage.py b/tests/rest/media/v1/test_media_storage.py

index 2ed9312d56..66fa5978b2 100644
--- a/tests/rest/media/v1/test_media_storage.py
+++ b/tests/rest/media/v1/test_media_storage.py
@@ -12,8 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-
 import os
 import shutil
 import tempfile
@@ -25,8 +23,8 @@ from urllib import parse
 from mock import Mock
 
 import attr
-import PIL.Image as Image
 from parameterized import parameterized_class
+from PIL import Image as Image
 
 from twisted.internet.defer import Deferred
 
diff --git a/tests/test_utils/event_injection.py b/tests/test_utils/event_injection.py

index 431e9f8e5e..43297b530c 100644
--- a/tests/test_utils/event_injection.py
+++ b/tests/test_utils/event_injection.py
@@ -13,7 +13,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 from typing import Optional, Tuple
 
 import synapse.server
@@ -25,7 +24,6 @@ from synapse.types import Collection
 
 from tests.test_utils import get_awaitable_result
 
-
 """
 Utility functions for poking events into the storage of the server under test.
 """