gnu: python-typing-inspect: Update to 0.9.0.

* gnu/packages/python-xyz.scm (python-typing-inspect): Update to 0.9.0.
[source]: Remove patch, as
<https://github.com/ilevkivskyi/typing_inspect/issues/60> was resolved.
[build-system]: Swap to pyproject-build-system.
[native-inputs]: Add python-pytest, python-setuptools, and python-wheel.

* gnu/packages/patches/python-typing-inspect-fix.patch: Delete file.
* gnu/local.mk: Deregester the patch.

Change-Id: Idc6e8745d4b85624863a5c2dc24e533a7dd92f46

gnu/local.mk

@@ -2118,7 +2118,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/python-robotframework-atest.patch	\
   %D%/packages/patches/python-robotframework-source-date-epoch.patch \
   %D%/packages/patches/python-robotframework-sshlibrary-rf5-compat.patch \
-  %D%/packages/patches/python-typing-inspect-fix.patch		\
   %D%/packages/patches/python-unittest2-python3-compat.patch	\
   %D%/packages/patches/python-unittest2-remove-argparse.patch	\
   %D%/packages/patches/python-vega-datasets-remove-la-riots-code.patch	\

gnu/packages/patches/python-typing-inspect-fix.patch

@@ -1,38 +0,0 @@
-From 16919e21936179e53df2f376c8b59b5fc44bd2dd Mon Sep 17 00:00:00 2001
-From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
-Date: Fri, 15 Jan 2021 09:22:52 -0500
-Subject: [PATCH] Fix for Python 3.9+.
-
-Fixes <https://github.com/ilevkivskyi/typing_inspect/issues/60>.
-
-Based on an idea in
-https://github.com/ilevkivskyi/typing_inspect/issues/60#issuecomment-683187584.
----
- typing_inspect.py | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/typing_inspect.py b/typing_inspect.py
-index 1ca68ed..31d05ee 100644
---- a/typing_inspect.py
-+++ b/typing_inspect.py
-@@ -21,7 +21,7 @@ LEGACY_TYPING = False
- 
- if NEW_TYPING:
-     from typing import (
--        Generic, Callable, Union, TypeVar, ClassVar, Tuple, _GenericAlias, ForwardRef
-+        Generic, Callable, Union, TypeVar, ClassVar, Tuple, _GenericAlias, _SpecialGenericAlias, ForwardRef
-     )
-     from typing_extensions import Literal
- else:
-@@ -75,7 +75,7 @@ def is_generic_type(tp):
-     """
-     if NEW_TYPING:
-         return (isinstance(tp, type) and issubclass(tp, Generic) or
--                isinstance(tp, _GenericAlias) and
-+                (isinstance(tp, _GenericAlias) or isinstance(tp, _SpecialGenericAlias)) and
-                 tp.__origin__ not in (Union, tuple, ClassVar, collections.abc.Callable))
-     return (isinstance(tp, GenericMeta) and not
-             isinstance(tp, (CallableMeta, TupleMeta)))
--- 
-2.29.2
-

gnu/packages/python-xyz.scm

@@ -23087,17 +23087,21 @@ Python versions that don't natively support them.")
 (define-public python-typing-inspect
   (package
     (name "python-typing-inspect")
-    (version "0.6.0")
+    (version "0.9.0")
     (source (origin
               (method url-fetch)
               (uri (pypi-uri "typing_inspect" version))
               (sha256
                (base32
-                "1dzs9a1pr23dhbvmnvms2jv7l7jk26023g5ysf0zvnq8b791s6wg"))
-              (patches (search-patches "python-typing-inspect-fix.patch"))))
-    (build-system python-build-system)
+                "0y0z8v4wr5bahlgzjd1il2z8vlfd2asiyb45wia6kvznyqpw8gxj"))))
+    (build-system pyproject-build-system)
+    (native-inputs
+     (list python-pytest
+           python-setuptools
+           python-wheel))
     (propagated-inputs
-     (list python-mypy-extensions python-typing-extensions))
+     (list python-mypy-extensions
+           python-typing-extensions))
     (home-page "https://github.com/ilevkivskyi/typing_inspect")
     (synopsis "API for inspection of types in the Python @code{typing} module")
     (description