Add missing List imports.

third_party/3.6/click/decorators.pyi

@@ -1,4 +1,4 @@
-from typing import Any, Callable, TypeVar, Union
+from typing import Any, Callable, List, TypeVar, Union
 
 from click.core import Command, Group, Argument, Option, Parameter, Context
 from click.types import ParamType

third_party/3/pkg_resources.pyi

@@ -2,7 +2,7 @@
 
 from typing import (
     Any, Callable, Dict, IO, Iterable, Generator, Optional, Sequence, Tuple,
-    Union,
+    List, Union,
     TypeVar, overload,
 )
 import importlib.abc