[3.7] bpo-32996: The bulk of What's New in Python 3.7 (GH-6978). (GH-6998)

(cherry picked from commit 63536bd286)

Co-authored-by: Elvis Pranskevichus <elvis@magic.io>

Doc/library/asyncio-task.rst

@@ -92,7 +92,7 @@ Coroutines (and tasks) can only run when the event loop is running.
     used in a callback-style code, wrap its result with :func:`ensure_future`.
 
 
-.. function:: asyncio.run(coro, \*, debug=False)
+.. function:: run(coro, \*, debug=False)
 
     This function runs the passed coroutine, taking care of
     managing the asyncio event loop and finalizing asynchronous

Doc/library/ensurepip.rst

@@ -78,9 +78,6 @@ options:
 
 Providing both of the script selection options will trigger an exception.
 
-.. versionchanged:: 3.7.0
-   The exit status is non-zero if the command fails.
-
 
 Module API
 ----------

Doc/reference/compound_stmts.rst

@@ -683,6 +683,8 @@ can be used to create instance variables with different implementation details.
    :pep:`3129` - Class Decorators
 
 
+.. _async:
+
 Coroutines
 ==========