Apply 'Add stub for pipes' patch from Ben Longbons.

stdlib/3/pipes.pyi

@@ -0,0 +1,19 @@
+# Stubs for pipes
+
+# Based on http://docs.python.org/3.5/library/pipes.html
+
+import os
+
+class Template:
+    def __init__(self) -> None: ...
+    def reset(self) -> None: ...
+    def clone(self) -> 'Template': ...
+    def debug(self, flag: bool) -> None: ...
+    def append(self, cmd: str, kind: str) -> None: ...
+    def prepend(self, cmd: str, kind: str) -> None: ...
+    def open(self, file: str, rw: str) -> os.popen: ...
+    def copy(self, file: str, rw: str) -> os.popen: ...
+
+# Not documented, but widely used.
+# Documented as shlex.quote since 3.3.
+def quote(s: str) -> str: ...

stdlib/3/shlex.pyi

@@ -7,6 +7,9 @@ from typing import List, Tuple, Any, TextIO
 def split(s: str, comments: bool = False,
           posix: bool = True) -> List[str]: ...
 
+# Added in 3.3, use (undocumented) pipes.quote in previous versions.
+def quote(s: str) -> str: ...
+
 class shlex:
     commenters = ''
     wordchars = ''