diff --git a/certbot/auth_handler.py b/certbot/auth_handler.py
index c9582107d..e7d658b25 100644
--- a/certbot/auth_handler.py
+++ b/certbot/auth_handler.py
@@ -10,6 +10,7 @@ from acme import challenges
 from acme import messages
 # pylint: disable=unused-import, no-name-in-module
 from acme.magic_typing import DefaultDict, Dict, List, Set, Collection
+# pylint: enable=unused-import, no-name-in-module
 from certbot import achallenges
 from certbot import errors
 from certbot import error_handler
diff --git a/mypy.ini b/mypy.ini
index eca549699..327361c93 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -37,3 +37,6 @@ check_untyped_defs = True
 
 [mypy-certbot_dns_digitalocean.*]
 check_untyped_defs = True
+
+[mypy-certbot_nginx.*]
+check_untyped_defs = True