diff --git a/libp2p/__init__.py b/libp2p/__init__.py
index a066207c..6d03ce69 100644
--- a/libp2p/__init__.py
+++ b/libp2p/__init__.py
@@ -239,13 +239,13 @@ def new_swarm(
 
 
 def new_host(
-    key_pair: Optional[KeyPair] = None,
-    muxer_opt: Optional[TMuxerOptions] = None,
-    sec_opt: Optional[TSecurityOptions] = None,
-    peerstore_opt: Optional[IPeerStore] = None,
-    disc_opt: Optional[IPeerRouting] = None,
-    muxer_preference: Optional[Literal["YAMUX", "MPLEX"]] = None,
-    listen_addrs: Sequence[multiaddr.Multiaddr] = None,
+    key_pair: KeyPair | None = None,
+    muxer_opt: TMuxerOptions | None = None,
+    sec_opt: TSecurityOptions | None = None,
+    peerstore_opt: IPeerStore | None = None,
+    disc_opt: IPeerRouting | None = None,
+    muxer_preference: Literal["YAMUX", "MPLEX"] | None = None,
+    listen_addrs: Sequence[multiaddr.Multiaddr] | None = None,
     enable_mDNS: bool = False,
 ) -> IHost:
     """
@@ -275,7 +275,6 @@ def new_host(
 
     if disc_opt is not None:
         return RoutedHost(swarm, disc_opt)
-    else:
-        return BasicHost(swarm)
+    return BasicHost(swarm)
 
 __version__ = __version("libp2p")