diff --git a/stdlib/2.7/tempfile.pyi b/stdlib/2.7/tempfile.pyi
index bc2d637fa..42c19ad41 100644
--- a/stdlib/2.7/tempfile.pyi
+++ b/stdlib/2.7/tempfile.pyi
@@ -26,17 +26,17 @@ def SpooledTemporaryFile(
     ...
 
 class TemporaryDirectory:
-    name = ...  # type: str
-    def __init__(self, suffix: str = ..., prefix: str = ...,
-                 dir: str = ...) -> None: ...
+    name = ...  # type: basestring
+    def __init__(self, suffix: basestring = ..., prefix: basestring = ...,
+                 dir: basestring = ...) -> None: ...
     def cleanup(self) -> None: ...
-    def __enter__(self) -> str: ...
+    def __enter__(self) -> basestring: ...
     def __exit__(self, type, value, traceback) -> bool: ...
 
-def mkstemp(suffix: str = ..., prefix: str = ..., dir: str = ...,
-            text: bool = ...) -> Tuple[int, str]: ...
-def mkdtemp(suffix: str = ..., prefix: str = ...,
-            dir: str = ...) -> str: ...
-def mktemp(suffix: str = ..., prefix: str = ..., dir: str = ...) -> str: ...
-def gettempdir() -> str: ...
-def gettempprefix() -> str: ...
+def mkstemp(suffix: basestring = ..., prefix: basestring = ..., dir: basestring = ...,
+            text: bool = ...) -> Tuple[int, basestring]: ...
+def mkdtemp(suffix: basestring = ..., prefix: basestring = ...,
+            dir: basestring = ...) -> basestring: ...
+def mktemp(suffix: basestring = ..., prefix: basestring = ..., dir: basestring = ...) -> basestring: ...
+def gettempdir() -> basestring: ...
+def gettempprefix() -> basestring: ...