diff --git a/minode/connection.py b/minode/connection.py
index 3ae8c75..c82c8cd 100644
--- a/minode/connection.py
+++ b/minode/connection.py
@@ -38,7 +38,7 @@ class Connection(threading.Thread):
         self.vectors_to_get = set()
         self.vectors_to_send = set()
 
-        self.vectors_requested = dict()
+        self.vectors_requested = {}
 
         self.status = 'ready'
 
diff --git a/minode/main.py b/minode/main.py
index cd6b1b4..3115a36 100644
--- a/minode/main.py
+++ b/minode/main.py
@@ -197,7 +197,7 @@ def start_ip_listener():
                 'Error while starting IPv4 listener on port %s.'
                 ' However the IPv6 one seems to be working'
                 ' and will probably accept IPv4 connections.',  # 48 on macos
-                shared.listening_port, exc_info=(e.errno not in (48, 98)))
+                shared.listening_port, exc_info=e.errno not in (48, 98))
         else:
             logging.warning(
                 'Error while starting IPv4 listener on port %s.'