diff --git a/typeguard/__init__.py b/typeguard/__init__.py
index 833bad10..8fd598c6 100644
--- a/typeguard/__init__.py
+++ b/typeguard/__init__.py
@@ -748,6 +748,7 @@ def __init__(self, wrapped: Generator, memo: _CallMemo):
         rtype_args = []
         if hasattr(memo.type_hints['return'], "__args__"):
             rtype_args = memo.type_hints['return'].__args__
+
         self.__wrapped = wrapped
         self.__memo = memo
         self.__yield_type = rtype_args[0] if rtype_args else Any