diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index a2715e5cf6..03452f6bb0 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -172,13 +172,10 @@ class ApplicationServicesHandler(object):
def query_3pu(self, protocol, fields):
services = yield self._get_services_for_3pn(protocol)
- deferreds = []
- for service in services:
- deferreds.append(self.appservice_api.query_3pu(
- service, protocol, fields
- ))
-
- results = yield defer.DeferredList(deferreds, consumeErrors=True)
+ results = yield defer.DeferredList([
+ self.appservice_api.query_3pu(service, protocol, fields)
+ for service in services
+ ], consumeErrors=True)
ret = []
for (success, result) in results:
@@ -199,13 +196,10 @@ class ApplicationServicesHandler(object):
def query_3pl(self, protocol, fields):
services = yield self._get_services_for_3pn(protocol)
- deferreds = []
- for service in services:
- deferreds.append(self.appservice_api.query_3pl(
- service, protocol, fields
- ))
-
- results = yield defer.DeferredList(deferreds, consumeErrors=True)
+ results = yield defer.DeferredList([
+ self.appservice_api.query_3pl(service, protocol, fields)
+ for service in services
+ ], consumeErrors=True)
ret = []
for (success, result) in results:
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