diff --git a/third_party/2/dateutil/relativedelta.pyi b/third_party/2/dateutil/relativedelta.pyi
index 3a99eaf40..f910e9005 100644
--- a/third_party/2/dateutil/relativedelta.pyi
+++ b/third_party/2/dateutil/relativedelta.pyi
@@ -1,4 +1,4 @@
-from typing import Any, Optional, Union
+from typing import Any, List, Optional, Union
 from datetime import date, datetime, timedelta
 
 __all__ = ...  # type: List[str]
diff --git a/third_party/2/dateutil/tz/tz.pyi b/third_party/2/dateutil/tz/tz.pyi
index ccd38198a..5027e62eb 100644
--- a/third_party/2/dateutil/tz/tz.pyi
+++ b/third_party/2/dateutil/tz/tz.pyi
@@ -2,7 +2,7 @@
 #
 # NOTE: This dynamically typed stub was automatically generated by stubgen.
 
-from typing import Any, Optional, Union, IO, Tuple
+from typing import Any, IO, List, Optional, Tuple, Union
 import datetime
 from ._common import tzname_in_python2 as tzname_in_python2, _tzinfo as _tzinfo
 from ._common import tzrangebase as tzrangebase, enfold as enfold