diff --git a/stdlib/2.7/bisect.pyi b/stdlib/2.7/bisect.pyi
index 7e7a2fe34..5d3f2e511 100644
--- a/stdlib/2.7/bisect.pyi
+++ b/stdlib/2.7/bisect.pyi
@@ -1,6 +1,6 @@
-def bisect(a: list, x: object, lo: int, hi: int) -> int: ...
-def bisect_left(a: list, x: object, lo: int, hi: int) -> int: ...
-def bisect_right(a: list, x: object, lo: int, hi: int) -> int: ...
-def insort_left(a: list, x: object, lo: int, hi: int) -> int: ...
-def insort_right(a: list, x: object, lo: int, hi: int) -> int: ...
-def insort(a: list, x: object, lo: int, hi: int) -> int: ...
+def bisect(a: list, x: object, lo: int = ..., hi: int = ...) -> int: ...
+def bisect_left(a: list, x: object, lo: int = ..., hi: int = ...) -> int: ...
+def bisect_right(a: list, x: object, lo: int = ..., hi: int = ...) -> int: ...
+def insort_left(a: list, x: object, lo: int = ..., hi: int = ...) -> int: ...
+def insort_right(a: list, x: object, lo: int = ..., hi: int = ...) -> int: ...
+def insort(a: list, x: object, lo: int = ..., hi: int = ...) -> int: ...