diff --git a/third_party/2and3/requests/models.pyi b/third_party/2and3/requests/models.pyi
index cdd8ab296..b4e74d0ef 100644
--- a/third_party/2and3/requests/models.pyi
+++ b/third_party/2and3/requests/models.pyi
@@ -127,7 +127,10 @@ class Response:
     def apparent_encoding(self) -> str: ...
     def iter_content(self, chunk_size: Optional[int] = ...,
                      decode_unicode: bool = ...) -> Iterator[Any]: ...
-    def iter_lines(self, chunk_size=..., decode_unicode=..., delimiter=...): ...
+    def iter_lines(self,
+                   chunk_size: Optional[int] = ...,
+                   decode_unicode: bool = ...,
+                   delimiter: Union[Text, bytes] = ...) -> Iterator[Any]: ...
     @property
     def content(self) -> bytes: ...
     @property