Merge commit '03619324f' into dinsic

* commit '03619324f':
  Create a ListenerConfig object (#7681)
  Fix changelog wording
  1.15.1
  Wrap register_device coroutine in an ensureDeferred (#7684)
  Ensure the body is a string before comparing push rules. (#7701)
  Ensure etag is a string for GET room_keys/version response (#7691)
  Update m.id.phone to use 'phone' instead of 'number' (#7687)
  Fix "There was no active span when trying to log." error (#7698)
  Enable 3PID add/bind/unbind endpoints on r0 routes
  Discard RDATA from already seen positions. (#7648)
  Replace iteritems/itervalues/iterkeys with native versions. (#7692)
  Fix warnings about losing log context during UI auth. (#7688)
  Fix a typo when comparing the URI & method during UI Auth. (#7689)
  Remove "user_id" from GET /presence. (#7606)
  Increase the default SAML session expirary time to 15 minutes. (#7664)
  fix typo in sample_config.yaml (#7652)
  Take out a lock before modifying _CACHES (#7663)
  Add option to enable encryption by default for new rooms (#7639)
  Clean-up the fallback login code. (#7657)

3 files changed, 7 insertions, 5 deletions

diff --git a/synapse/api/auth.py b/synapse/api/auth.py

index d9e7736b8d..e615533ea3 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -16,8 +16,6 @@
 import logging
 from typing import Optional
 
-from six import itervalues
-
 import pymacaroons
 from netaddr import IPAddress
 
@@ -90,7 +88,7 @@ class Auth(object):
             event, prev_state_ids, for_verification=True
         )
         auth_events = yield self.store.get_events(auth_events_ids)
-        auth_events = {(e.type, e.state_key): e for e in itervalues(auth_events)}
+        auth_events = {(e.type, e.state_key): e for e in auth_events.values()}
 
         room_version_obj = KNOWN_ROOM_VERSIONS[room_version]
         event_auth.check(
diff --git a/synapse/api/constants.py b/synapse/api/constants.py

index 5ec4a77ccd..6a6d32c302 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -150,3 +150,8 @@ class EventContentFields(object):
     # Timestamp to delete the event after
     # cf https://github.com/matrix-org/matrix-doc/pull/2228
     SELF_DESTRUCT_AFTER = "org.matrix.self_destruct_after"
+
+
+class RoomEncryptionAlgorithms(object):
+    MEGOLM_V1_AES_SHA2 = "m.megolm.v1.aes-sha2"
+    DEFAULT = MEGOLM_V1_AES_SHA2
diff --git a/synapse/api/errors.py b/synapse/api/errors.py

index 2c34815f55..367330fd91 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -20,7 +20,6 @@
 import logging
 from typing import Dict, List
 
-from six import iteritems
 from six.moves import http_client
 
 from canonicaljson import json
@@ -505,7 +504,7 @@ def cs_error(msg, code=Codes.UNKNOWN, **kwargs):
         A dict representing the error response JSON.
     """
     err = {"error": msg, "errcode": code}
-    for key, value in iteritems(kwargs):
+    for key, value in kwargs.items():
         err[key] = value
     return err