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-rw-r--r--synapse/federation/federation_client.py4
-rw-r--r--synapse/federation/send_queue.py2
-rw-r--r--synapse/federation/transaction_queue.py6
3 files changed, 7 insertions, 5 deletions
diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
index 2761ffae07..87a92f6ea9 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -391,7 +391,7 @@ class FederationClient(FederationBase):
         """
         if return_local:
             seen_events = yield self.store.get_events(event_ids, allow_rejected=True)
-            signed_events = seen_events.values()
+            signed_events = list(seen_events.values())
         else:
             seen_events = yield self.store.have_seen_events(event_ids)
             signed_events = []
@@ -589,7 +589,7 @@ class FederationClient(FederationBase):
                 }
 
                 valid_pdus = yield self._check_sigs_and_hash_and_fetch(
-                    destination, pdus.values(),
+                    destination, list(pdus.values()),
                     outlier=True,
                 )
 
diff --git a/synapse/federation/send_queue.py b/synapse/federation/send_queue.py
index c7ed465617..3dcc629d44 100644
--- a/synapse/federation/send_queue.py
+++ b/synapse/federation/send_queue.py
@@ -197,7 +197,7 @@ class FederationRemoteSendQueue(object):
 
         # We only want to send presence for our own users, so lets always just
         # filter here just in case.
-        local_states = filter(lambda s: self.is_mine_id(s.user_id), states)
+        local_states = list(filter(lambda s: self.is_mine_id(s.user_id), states))
 
         self.presence_map.update({state.user_id: state for state in local_states})
         self.presence_changed[pos] = [state.user_id for state in local_states]
diff --git a/synapse/federation/transaction_queue.py b/synapse/federation/transaction_queue.py
index 69312ec233..f0aeb5a0d3 100644
--- a/synapse/federation/transaction_queue.py
+++ b/synapse/federation/transaction_queue.py
@@ -35,6 +35,8 @@ from synapse.metrics import (
 
 from prometheus_client import Counter
 
+from six import itervalues
+
 import logging
 
 
@@ -234,7 +236,7 @@ class TransactionQueue(object):
                 yield logcontext.make_deferred_yieldable(defer.gatherResults(
                     [
                         logcontext.run_in_background(handle_room_events, evs)
-                        for evs in events_by_room.itervalues()
+                        for evs in itervalues(events_by_room)
                     ],
                     consumeErrors=True
                 ))
@@ -325,7 +327,7 @@ class TransactionQueue(object):
                 if not states_map:
                     break
 
-                yield self._process_presence_inner(states_map.values())
+                yield self._process_presence_inner(list(states_map.values()))
         except Exception:
             logger.exception("Error sending presence states to servers")
         finally: