diff --git a/README.md b/README.md
index 585582d..316c394 100644
--- a/README.md
+++ b/README.md
@@ -131,7 +131,7 @@ You can use `escape` as a context manager. It works almost the same way as [`con
 with escape:
     raise ValueError
 
-with escape():
+with escape(...):
     raise ValueError
 ```
 
diff --git a/escape/proxy_module.py b/escape/proxy_module.py
index 1e0adc1..145cd4a 100644
--- a/escape/proxy_module.py
+++ b/escape/proxy_module.py
@@ -1,5 +1,5 @@
 import sys
-from typing import Type, Tuple, List, Callable, Union, Optional, Any
+from typing import Type, Tuple, Callable, Union, Optional, Any
 from types import TracebackType
 from inspect import isclass
 from itertools import chain