Merge pull request #4751 from pypa/drop-py2-deps

Delete py2 compat dependencies

news/4747.vendor.rst

@@ -1,24 +1,22 @@
 Update vendored dependencies
 - ``attrs`` from ``20.3.0`` to ``21.2.0``
-- ``backports.functools-lru-cache`` from ``1.6.1`` to ``1.6.4``
 - ``cerberus`` from ``1.3.2`` to ``1.3.4``
-- ``certifi`` from ``2020.11.8`` to `2021.5.30``
+- ``certifi`` from ``2020.11.8`` to ``2021.5.30``
 - ``chardet`` from ``3.0.4`` to ``4.0.0``
 - ``click`` from ``7.1.2`` to ``8.0.1``
-- ``contextlib2`` from ``0.6.0post1`` to ``21.6.0``
 - ``distlib`` from ``0.3.1`` to ``0.3.2``
 - ``idna`` from ``2.10`` to ``3.2``
 - ``importlib-metadata`` from ``2.0.0`` to ``4.6.1``
-- ``importlib-resources`` from ``3.3.0`` to `5.2.0``
-- ``jinja2` from ``2.11.2`` to ``3.0.1``
+- ``importlib-resources`` from ``3.3.0`` to ``5.2.0``
+- ``jinja2`` from ``2.11.2`` to ``3.0.1``
 - ``markupsafe`` from ``1.1.1`` to ``2.0.1``
 - ``more-itertools`` from ``5.0.0`` to ``8.8.0``
 - ``packaging`` from ``20.8`` to ``21.0``
 - ``pep517`` from ``0.9.1`` to ``0.11.0``
 - ``pipdeptree`` from ``1.0.0`` to ``2.0.0``
 - ``ptyprocess`` from ``0.6.0`` to ``0.7.0``
 - ``python-dateutil`` from ``2.8.1`` to ``2.8.2``
-- ``python-dotenv`` from ``0.15.0 to ``0.19.0``
+- ``python-dotenv`` from ``0.15.0`` to ``0.19.0``
 - ``pythonfinder`` from ``1.2.5`` to ``1.2.8``
 - ``requests`` from ``2.25.0`` to ``2.26.0``
 - ``shellingham`` from ``1.3.2`` to ``1.4.0``

news/4751.vendor.rst

@@ -0,0 +1 @@
+Drop the dependencies for Python 2.7 compatibility purpose.