diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index af95e6b8f..e56b29eac 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -1531,9 +1531,10 @@ class AttributeError(_StandardError): ...
 class BufferError(_StandardError): ...
 class EOFError(_StandardError): ...
 class ImportError(_StandardError):
-    if sys.version_info >= (3,):
-        name: str
-        path: str
+    if sys.version_info >= (3, 3):
+        def __init__(self, *args, name: Optional[str] = ..., path: Optional[str] = ...) -> None: ...
+        name: Optional[str]
+        path: Optional[str]
 class LookupError(_StandardError): ...
 class MemoryError(_StandardError): ...
 class NameError(_StandardError): ...
diff --git a/stdlib/2and3/builtins.pyi b/stdlib/2and3/builtins.pyi
index af95e6b8f..e56b29eac 100644
--- a/stdlib/2and3/builtins.pyi
+++ b/stdlib/2and3/builtins.pyi
@@ -1531,9 +1531,10 @@ class AttributeError(_StandardError): ...
 class BufferError(_StandardError): ...
 class EOFError(_StandardError): ...
 class ImportError(_StandardError):
-    if sys.version_info >= (3,):
-        name: str
-        path: str
+    if sys.version_info >= (3, 3):
+        def __init__(self, *args, name: Optional[str] = ..., path: Optional[str] = ...) -> None: ...
+        name: Optional[str]
+        path: Optional[str]
 class LookupError(_StandardError): ...
 class MemoryError(_StandardError): ...
 class NameError(_StandardError): ...