diff --git a/ormar/protocols/relation_protocol.py b/ormar/protocols/relation_protocol.py
index ac6ed6c..b551b8d 100644
--- a/ormar/protocols/relation_protocol.py
+++ b/ormar/protocols/relation_protocol.py
@@ -2,7 +2,7 @@ from typing import TYPE_CHECKING, Type, Union
 
 try:
     from typing import Protocol
-except ImportError:
+except ImportError:  # pragma: nocover
     from typing_extensions import Protocol  # type: ignore
 
 if TYPE_CHECKING:  # pragma: nocover