diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py
index e9886ef299..680ea928c7 100644
--- a/synapse/util/__init__.py
+++ b/synapse/util/__init__.py
@@ -17,6 +17,7 @@ import logging
from itertools import islice
import attr
+
from twisted.internet import defer, task
from synapse.util.logcontext import PreserveLoggingContext
diff --git a/synapse/util/async.py b/synapse/util/async.py
index 1668df4ce6..5d0fb39130 100644
--- a/synapse/util/async.py
+++ b/synapse/util/async.py
@@ -13,20 +13,22 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+import logging
+from contextlib import contextmanager
+
+from six.moves import range
+
from twisted.internet import defer
from twisted.internet.defer import CancelledError
from twisted.python import failure
+from synapse.util import Clock, logcontext, unwrapFirstError
+
from .logcontext import (
- PreserveLoggingContext, make_deferred_yieldable, run_in_background
+ PreserveLoggingContext,
+ make_deferred_yieldable,
+ run_in_background,
)
-from synapse.util import logcontext, unwrapFirstError, Clock
-
-from contextlib import contextmanager
-
-import logging
-
-from six.moves import range
logger = logging.getLogger(__name__)
diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py
index 900575eb3c..7b065b195e 100644
--- a/synapse/util/caches/__init__.py
+++ b/synapse/util/caches/__init__.py
@@ -13,12 +13,12 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from prometheus_client.core import Gauge, REGISTRY, GaugeMetricFamily
-
import os
-from six.moves import intern
import six
+from six.moves import intern
+
+from prometheus_client.core import REGISTRY, Gauge, GaugeMetricFamily
CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.5))
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py
index 65a1042de1..f8a07df6b8 100644
--- a/synapse/util/caches/descriptors.py
+++ b/synapse/util/caches/descriptors.py
@@ -13,10 +13,19 @@
# 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 functools
+import inspect
import logging
+import threading
+from collections import namedtuple
+import six
+from six import itervalues, string_types
+
+from twisted.internet import defer
+
+from synapse.util import logcontext, unwrapFirstError
from synapse.util.async import ObservableDeferred
-from synapse.util import unwrapFirstError, logcontext
from synapse.util.caches import get_cache_factor_for
from synapse.util.caches.lrucache import LruCache
from synapse.util.caches.treecache import TreeCache, iterate_tree_cache_entry
@@ -24,17 +33,6 @@ from synapse.util.stringutils import to_ascii
from . import register_cache
-from twisted.internet import defer
-from collections import namedtuple
-
-import functools
-import inspect
-import threading
-
-from six import string_types, itervalues
-import six
-
-
logger = logging.getLogger(__name__)
diff --git a/synapse/util/caches/dictionary_cache.py b/synapse/util/caches/dictionary_cache.py
index 95793d466d..6c0b5a4094 100644
--- a/synapse/util/caches/dictionary_cache.py
+++ b/synapse/util/caches/dictionary_cache.py
@@ -13,12 +13,13 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from synapse.util.caches.lrucache import LruCache
-from collections import namedtuple
-from . import register_cache
-import threading
import logging
+import threading
+from collections import namedtuple
+
+from synapse.util.caches.lrucache import LruCache
+from . import register_cache
logger = logging.getLogger(__name__)
diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py
index ff04c91955..4abca91f6d 100644
--- a/synapse/util/caches/expiringcache.py
+++ b/synapse/util/caches/expiringcache.py
@@ -13,11 +13,10 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from synapse.util.caches import register_cache
-
-from collections import OrderedDict
import logging
+from collections import OrderedDict
+from synapse.util.caches import register_cache
logger = logging.getLogger(__name__)
diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py
index 1c5a982094..b684f24e7b 100644
--- a/synapse/util/caches/lrucache.py
+++ b/synapse/util/caches/lrucache.py
@@ -14,8 +14,8 @@
# limitations under the License.
-from functools import wraps
import threading
+from functools import wraps
from synapse.util.caches.treecache import TreeCache
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py
index 0fb8620001..8637867c6d 100644
--- a/synapse/util/caches/stream_change_cache.py
+++ b/synapse/util/caches/stream_change_cache.py
@@ -13,12 +13,11 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from synapse.util import caches
-
+import logging
from sortedcontainers import SortedDict
-import logging
+from synapse.util import caches
logger = logging.getLogger(__name__)
diff --git a/synapse/util/file_consumer.py b/synapse/util/file_consumer.py
index c78801015b..629ed44149 100644
--- a/synapse/util/file_consumer.py
+++ b/synapse/util/file_consumer.py
@@ -13,12 +13,12 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+from six.moves import queue
+
from twisted.internet import threads
from synapse.util.logcontext import make_deferred_yieldable, run_in_background
-from six.moves import queue
-
class BackgroundFileConsumer(object):
"""A consumer that writes to a file like object. Supports both push
diff --git a/synapse/util/frozenutils.py b/synapse/util/frozenutils.py
index 535e7d0e7a..581c6052ac 100644
--- a/synapse/util/frozenutils.py
+++ b/synapse/util/frozenutils.py
@@ -13,11 +13,11 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from frozendict import frozendict
-from canonicaljson import json
-
from six import string_types
+from canonicaljson import json
+from frozendict import frozendict
+
def freeze(o):
if isinstance(o, dict):
diff --git a/synapse/util/httpresourcetree.py b/synapse/util/httpresourcetree.py
index e9f0f292ee..2d7ddc1cbe 100644
--- a/synapse/util/httpresourcetree.py
+++ b/synapse/util/httpresourcetree.py
@@ -12,10 +12,10 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from twisted.web.resource import NoResource
-
import logging
+from twisted.web.resource import NoResource
+
logger = logging.getLogger(__name__)
diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py
index df2b71b791..fe9288b031 100644
--- a/synapse/util/logcontext.py
+++ b/synapse/util/logcontext.py
@@ -22,10 +22,10 @@ them.
See doc/log_contexts.rst for details on how this works.
"""
-from twisted.internet import defer
-
-import threading
import logging
+import threading
+
+from twisted.internet import defer
logger = logging.getLogger(__name__)
diff --git a/synapse/util/logformatter.py b/synapse/util/logformatter.py
index 3e42868ea9..a46bc47ce3 100644
--- a/synapse/util/logformatter.py
+++ b/synapse/util/logformatter.py
@@ -14,10 +14,11 @@
# limitations under the License.
-from six import StringIO
import logging
import traceback
+from six import StringIO
+
class LogFormatter(logging.Formatter):
"""Log formatter which gives more detail for exceptions
diff --git a/synapse/util/logutils.py b/synapse/util/logutils.py
index 03249c5dc8..62a00189cc 100644
--- a/synapse/util/logutils.py
+++ b/synapse/util/logutils.py
@@ -14,13 +14,11 @@
# limitations under the License.
-from inspect import getcallargs
-from functools import wraps
-
-import logging
import inspect
+import logging
import time
-
+from functools import wraps
+from inspect import getcallargs
_TIME_FUNC_ID = 0
diff --git a/synapse/util/manhole.py b/synapse/util/manhole.py
index 97e0f00b67..14be3c7396 100644
--- a/synapse/util/manhole.py
+++ b/synapse/util/manhole.py
@@ -12,11 +12,11 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from twisted.conch.manhole import ColoredManhole
-from twisted.conch.insults import insults
from twisted.conch import manhole_ssh
-from twisted.cred import checkers, portal
+from twisted.conch.insults import insults
+from twisted.conch.manhole import ColoredManhole
from twisted.conch.ssh.keys import Key
+from twisted.cred import checkers, portal
PUBLIC_KEY = (
"ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAGEArzJx8OYOnJmzf4tfBEvLi8DVPrJ3/c9k2I/Az"
diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py
index 1ba7d65c7c..63bc64c642 100644
--- a/synapse/util/metrics.py
+++ b/synapse/util/metrics.py
@@ -13,14 +13,14 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from twisted.internet import defer
+import logging
+from functools import wraps
from prometheus_client import Counter
-from synapse.util.logcontext import LoggingContext
-from functools import wraps
-import logging
+from twisted.internet import defer
+from synapse.util.logcontext import LoggingContext
logger = logging.getLogger(__name__)
diff --git a/synapse/util/msisdn.py b/synapse/util/msisdn.py
index 607161e7f0..a6c30e5265 100644
--- a/synapse/util/msisdn.py
+++ b/synapse/util/msisdn.py
@@ -14,6 +14,7 @@
# limitations under the License.
import phonenumbers
+
from synapse.api.errors import SynapseError
diff --git a/synapse/util/ratelimitutils.py b/synapse/util/ratelimitutils.py
index c5a45cef7c..5ac33b2132 100644
--- a/synapse/util/ratelimitutils.py
+++ b/synapse/util/ratelimitutils.py
@@ -13,20 +13,19 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+import collections
+import contextlib
+import logging
+
from twisted.internet import defer
from synapse.api.errors import LimitExceededError
-
from synapse.util.logcontext import (
- run_in_background, make_deferred_yieldable,
PreserveLoggingContext,
+ make_deferred_yieldable,
+ run_in_background,
)
-import collections
-import contextlib
-import logging
-
-
logger = logging.getLogger(__name__)
diff --git a/synapse/util/retryutils.py b/synapse/util/retryutils.py
index 4e93f69d3a..8a3a06fd74 100644
--- a/synapse/util/retryutils.py
+++ b/synapse/util/retryutils.py
@@ -12,14 +12,13 @@
# 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 synapse.util.logcontext
-from twisted.internet import defer
-
-from synapse.api.errors import CodeMessageException
-
import logging
import random
+from twisted.internet import defer
+
+import synapse.util.logcontext
+from synapse.api.errors import CodeMessageException
logger = logging.getLogger(__name__)
diff --git a/synapse/util/rlimit.py b/synapse/util/rlimit.py
index f4a9abf83f..6c0f2bb0cf 100644
--- a/synapse/util/rlimit.py
+++ b/synapse/util/rlimit.py
@@ -13,9 +13,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-import resource
import logging
-
+import resource
logger = logging.getLogger("synapse.app.homeserver")
diff --git a/synapse/util/stringutils.py b/synapse/util/stringutils.py
index b98b9dc6e4..43d9db67ec 100644
--- a/synapse/util/stringutils.py
+++ b/synapse/util/stringutils.py
@@ -15,6 +15,7 @@
import random
import string
+
from six.moves import range
_string_with_symbols = (
diff --git a/synapse/util/versionstring.py b/synapse/util/versionstring.py
index 52086df465..1fbcd41115 100644
--- a/synapse/util/versionstring.py
+++ b/synapse/util/versionstring.py
@@ -14,9 +14,9 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-import subprocess
-import os
import logging
+import os
+import subprocess
logger = logging.getLogger(__name__)
|