Merge pull request #6537 from matrix-org/erikj/bump_mypy_version

* commit '5cadbd9eb':
  More rewording of changelog.
  Reword changelog
  Add deprecation notes
  Newsfile
  Bump version of mypy

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/config/server.py b/synapse/config/server.py

index f73f2e8f55..3a8e920bf0 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -206,7 +206,7 @@ class ServerConfig(Config):
         self.admin_contact = config.get("admin_contact", None)
 
         # FIXME: federation_domain_whitelist needs sytests
-        self.federation_domain_whitelist = None
+        self.federation_domain_whitelist = None  # type: Optional[dict]
         federation_domain_whitelist = config.get("federation_domain_whitelist", None)
 
         if federation_domain_whitelist is not None: