From dccc29bc2f6b4d95ed6b085df889229c1d121069 Mon Sep 17 00:00:00 2001
From: George King <george.w.king@gmail.com>
Date: Wed, 7 Dec 2016 17:46:34 -0500
Subject: [PATCH] Add `None` to type union for `subprocess.Popen.communicate`
 `input`. (#743)

* Add `None` to type union for `subprocess.Popen.communicate` stub's `input` parameter.

* subprocess.communicate `input` annotated as `Optional[AnyStr]` for both 2.7 and 3.x; `timeout` as `Optional[float]`.
---
 stdlib/2/subprocess.pyi | 4 ++--
 stdlib/3/subprocess.pyi | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/stdlib/2/subprocess.pyi b/stdlib/2/subprocess.pyi
index 8286e83d0..e8ec596b7 100644
--- a/stdlib/2/subprocess.pyi
+++ b/stdlib/2/subprocess.pyi
@@ -2,7 +2,7 @@
 
 # Based on http://docs.python.org/2/library/subprocess.html and Python 3 stub
 
-from typing import Sequence, Any, Mapping, Callable, Tuple, IO, Union, Optional
+from typing import Sequence, Any, AnyStr, Mapping, Callable, Tuple, IO, Union, Optional
 
 _FILE = Union[int, IO[Any]]
 
@@ -87,7 +87,7 @@ class Popen:
 
     def poll(self) -> int: ...
     def wait(self) -> int: ...
-    def communicate(self, input: Union[bytes, unicode] = ...) -> Tuple[Optional[bytes], Optional[bytes]]: ...
+    def communicate(self, input: Optional[AnyStr] = ...) -> Tuple[Optional[bytes], Optional[bytes]]: ...
     def send_signal(self, signal: int) -> None: ...
     def terminate(self) -> None: ...
     def kill(self) -> None: ...
diff --git a/stdlib/3/subprocess.pyi b/stdlib/3/subprocess.pyi
index 11b108fd4..ea1071044 100644
--- a/stdlib/3/subprocess.pyi
+++ b/stdlib/3/subprocess.pyi
@@ -2,7 +2,7 @@
 
 # Based on http://docs.python.org/3.5/library/subprocess.html
 import sys
-from typing import Sequence, Any, Mapping, Callable, Tuple, IO, Optional, Union, List, Type
+from typing import Sequence, Any, AnyStr, Mapping, Callable, Tuple, IO, Optional, Union, List, Type
 from types import TracebackType
 
 
@@ -234,9 +234,9 @@ class Popen:
         def wait(self) ->int: ...
     # Return str/bytes
     if sys.version_info >= (3, 3):
-        def communicate(self, input: Union[str, bytes] = ..., timeout: float = ...) -> Tuple[Any, Any]: ...
+        def communicate(self, input: Optional[AnyStr] = ..., timeout: Optional[float] = ...) -> Tuple[Any, Any]: ...
     else:
-        def communicate(self, input: Union[str, bytes] = ...) -> Tuple[Any, Any]: ...
+        def communicate(self, input: Optional[AnyStr] = ...) -> Tuple[Any, Any]: ...
     def send_signal(self, signal: int) -> None: ...
     def terminate(self) -> None: ...
     def kill(self) -> None: ...