Bump version of mypy

3 files changed, 4 insertions, 4 deletions

diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
index 18f42a87f9..35756bed87 100644
--- a/synapse/config/emailconfig.py
+++ b/synapse/config/emailconfig.py
@@ -21,6 +21,7 @@ from __future__ import print_function
 import email.utils
 import os
 from enum import Enum
+from typing import Optional
 
 import pkg_resources
 
@@ -101,7 +102,7 @@ class EmailConfig(Config):
                 # both in RegistrationConfig and here. We should factor this bit out
                 self.account_threepid_delegate_email = self.trusted_third_party_id_servers[
                     0
-                ]
+                ]  # type: Optional[str]
                 self.using_identity_server_from_trusted_list = True
             else:
                 raise ConfigError(
diff --git a/synapse/config/ratelimiting.py b/synapse/config/ratelimiting.py
index 947f653e03..4a3bfc4354 100644
--- a/synapse/config/ratelimiting.py
+++ b/synapse/config/ratelimiting.py
@@ -83,10 +83,9 @@ class RatelimitConfig(Config):
         )
 
         rc_admin_redaction = config.get("rc_admin_redaction")
+        self.rc_admin_redaction = None
         if rc_admin_redaction:
             self.rc_admin_redaction = RateLimitConfig(rc_admin_redaction)
-        else:
-            self.rc_admin_redaction = None
 
     def generate_config_section(self, **kwargs):
         return """\
diff --git a/synapse/config/server.py b/synapse/config/server.py
index a4bef00936..50af858c76 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -200,7 +200,7 @@ 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: