[pull] master from python:master

Doc/library/string.rst

@@ -308,7 +308,7 @@ non-empty format specification typically modifies the result.
 
 The general form of a *standard format specifier* is:
 
-.. productionlist:: sf
+.. productionlist::
    format_spec: [[`fill`]`align`][`sign`][#][0][`width`][`grouping_option`][.`precision`][`type`]
    fill: <any character>
    align: "<" | ">" | "=" | "^"

Doc/reference/introduction.rst

@@ -93,7 +93,7 @@ Notation
 The descriptions of lexical analysis and syntax use a modified BNF grammar
 notation.  This uses the following style of definition:
 
-.. productionlist:: *
+.. productionlist::
    name: `lc_letter` (`lc_letter` | "_")*
    lc_letter: "a"..."z"
 

Lib/asyncio/events.py

@@ -283,7 +283,7 @@ def create_task(self, coro, *, name=None):
     def call_soon_threadsafe(self, callback, *args):
         raise NotImplementedError
 
-    async def run_in_executor(self, executor, func, *args):
+    def run_in_executor(self, executor, func, *args):
         raise NotImplementedError
 
     def set_default_executor(self, executor):

Lib/multiprocessing/synchronize.py

@@ -270,7 +270,7 @@ def wait(self, timeout=None):
     def notify(self, n=1):
         assert self._lock._semlock._is_mine(), 'lock is not owned'
         assert not self._wait_semaphore.acquire(
-            False), ('notify: Should not have been able to acquire'
+            False), ('notify: Should not have been able to acquire '
                      + '_wait_semaphore')
 
         # to take account of timeouts since last notify*() we subtract

Misc/NEWS.d/next/Library/2020-08-13-08-07-25.bpo-40782.aGZqmB.rst

@@ -0,0 +1 @@
+Change the method asyncio.AbstractEventLoop.run_in_executor to not be a coroutine.