diff options
Diffstat (limited to 'synapse/util/async_helpers.py')
| -rw-r--r-- | synapse/util/async_helpers.py | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/synapse/util/async_helpers.py b/synapse/util/async_helpers.py index f1c46836b1..0d3bdd88ce 100644 --- a/synapse/util/async_helpers.py +++ b/synapse/util/async_helpers.py @@ -13,9 +13,11 @@ # 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 collections import logging from contextlib import contextmanager +from typing import Dict, Sequence, Set, Union from six.moves import range @@ -213,7 +215,9 @@ class Linearizer(object): # the first element is the number of things executing, and # the second element is an OrderedDict, where the keys are deferreds for the # things blocked from executing. - self.key_to_defer = {} + self.key_to_defer = ( + {} + ) # type: Dict[str, Sequence[Union[int, Dict[defer.Deferred, int]]]] def queue(self, key): # we avoid doing defer.inlineCallbacks here, so that cancellation works correctly. @@ -340,10 +344,10 @@ class ReadWriteLock(object): def __init__(self): # Latest readers queued - self.key_to_current_readers = {} + self.key_to_current_readers = {} # type: Dict[str, Set[defer.Deferred]] # Latest writer queued - self.key_to_current_writer = {} + self.key_to_current_writer = {} # type: Dict[str, defer.Deferred] @defer.inlineCallbacks def read(self, key): |