Python 3.9.0a4

Author: ambv

Include/patchlevel.h

@@ -20,10 +20,10 @@
 #define PY_MINOR_VERSION        9
 #define PY_MICRO_VERSION        0
 #define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL       3
+#define PY_RELEASE_SERIAL       4
 
 /* Version as a string */
-#define PY_VERSION              "3.9.0a3+"
+#define PY_VERSION              "3.9.0a4"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

Lib/pydoc_data/topics.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Fri Jan 24 22:03:37 2020
+# Autogenerated by Sphinx on Tue Feb 25 13:20:31 2020
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
@@ -5291,9 +5291,12 @@
                   'Changed in version 3.6: Added the "\'_\'" option (see also '
                   '**PEP 515**).\n'
                   '\n'
-                  '*width* is a decimal integer defining the minimum field '
-                  'width.  If not\n'
-                  'specified, then the field width will be determined by the '
+                  '*width* is a decimal integer defining the minimum total '
+                  'field width,\n'
+                  'including any prefixes, separators, and other formatting '
+                  'characters.\n'
+                  'If not specified, then the field width will be determined '
+                  'by the\n'
                   'content.\n'
                   '\n'
                   'When no explicit alignment is given, preceding the *width* '
@@ -9005,11 +9008,17 @@
                  'bases,\n'
                  '**kwds)" (where the additional keyword arguments, if any, '
                  'come from\n'
-                 'the class definition).\n'
+                 'the class definition). The "__prepare__" method should be '
+                 'implemented\n'
+                 'as a "classmethod()". The namespace returned by '
+                 '"__prepare__" is\n'
+                 'passed in to "__new__", but when the final class object is '
+                 'created the\n'
+                 'namespace is copied into a new "dict".\n'
                  '\n'
                  'If the metaclass has no "__prepare__" attribute, then the '
                  'class\n'
-                 'namespace is initialised as an empty ordered mapping.\n'
+                 'namespace is initialised as an empty "dict()".\n'
                  '\n'
                  'See also:\n'
                  '\n'