bpo-33503: Fix the broken pypi link in the source and the documentation (GH-6814) (GH-6872)

(cherry picked from commit 19177fbd5d6d9b29ccc302d65f9d9417ece082ce)

Co-authored-by: Stéphane Wirtel <stephane@wirtel.be>
diff --git a/Doc/tutorial/venv.rst b/Doc/tutorial/venv.rst
index e2dd57d..dc4136e 100644
--- a/Doc/tutorial/venv.rst
+++ b/Doc/tutorial/venv.rst
@@ -88,7 +88,7 @@
 
 You can install, upgrade, and remove packages using a program called
 :program:`pip`.  By default ``pip`` will install packages from the Python
-Package Index, <https://pypi.python.org/pypi>.  You can browse the Python
+Package Index, <https://pypi.org>.  You can browse the Python
 Package Index by going to it in your web browser, or you can use ``pip``'s
 limited search feature: