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, 4 insertions, 10 deletions

diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py

index cd48262420..64f35fc288 100644
--- a/synapse/util/caches/descriptors.py
+++ b/synapse/util/caches/descriptors.py
@@ -21,8 +21,6 @@ import threading
 from typing import Any, Tuple, Union, cast
 from weakref import WeakValueDictionary
 
-from six import itervalues
-
 from prometheus_client import Gauge
 from typing_extensions import Protocol
 
@@ -281,7 +279,7 @@ class Cache(object):
     def invalidate_all(self):
         self.check_thread()
         self.cache.clear()
-        for entry in itervalues(self._pending_deferred_cache):
+        for entry in self._pending_deferred_cache.values():
             entry.invalidate()
         self._pending_deferred_cache.clear()
 
diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py

index 2726b67b6d..89a3420f92 100644
--- a/synapse/util/caches/expiringcache.py
+++ b/synapse/util/caches/expiringcache.py
@@ -16,8 +16,6 @@
 import logging
 from collections import OrderedDict
 
-from six import iteritems, itervalues
-
 from synapse.config import cache as cache_config
 from synapse.metrics.background_process_metrics import run_as_background_process
 from synapse.util.caches import register_cache
@@ -150,7 +148,7 @@ class ExpiringCache(object):
 
         keys_to_delete = set()
 
-        for key, cache_entry in iteritems(self._cache):
+        for key, cache_entry in self._cache.items():
             if now - cache_entry.time > self._expiry_ms:
                 keys_to_delete.add(key)
 
@@ -170,7 +168,7 @@ class ExpiringCache(object):
 
     def __len__(self):
         if self.iterable:
-            return sum(len(entry.value) for entry in itervalues(self._cache))
+            return sum(len(entry.value) for entry in self._cache.values())
         else:
             return len(self._cache)
 
diff --git a/synapse/util/caches/treecache.py b/synapse/util/caches/treecache.py

index 2ea4e4e911..ecd9948e79 100644
--- a/synapse/util/caches/treecache.py
+++ b/synapse/util/caches/treecache.py
@@ -1,7 +1,5 @@
 from typing import Dict
 
-from six import itervalues
-
 SENTINEL = object()
 
 
@@ -81,7 +79,7 @@ def iterate_tree_cache_entry(d):
     can contain dicts.
     """
     if isinstance(d, dict):
-        for value_d in itervalues(d):
+        for value_d in d.values():
             for value in iterate_tree_cache_entry(value_d):
                 yield value
     else: