Merge ~cjwatson/lazr.delegates:update-python-versions into lazr.delegates:main

[Colin Watson]

Update Python versions

Add support for Python 3.9 and 3.10. Drop support for Python 3.2, 3.3, and 3.4.

[Jürgen Gmach (jugmac00)]

LGTM

review: Approve

diff --git a/NEWS.rst b/NEWS.rst
index 476c1d4..c9941f0 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -4,7 +4,8 @@ NEWS for lazr.delegates
 
 2.0.5
 =====
-- Officially add support for Python 3.6, 3.7, and 3.8.
+- Officially add support for Python 3.6, 3.7, 3.8, 3.9, and 3.10.
+- Drop support for Python 3.2, 3.3, and 3.4.
 - Test using ``zope.testrunner`` rather than ``nose``.
 
 
diff --git a/setup.py b/setup.py
index f8b5b24..bfe9891 100755
--- a/setup.py
+++ b/setup.py
@@ -51,13 +51,12 @@ delegating behavior.
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         ],
         extras_require={
             "docs": ["Sphinx"],
diff --git a/tox.ini b/tox.ini
index f30fd94..7063773 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,13 +1,12 @@
 [tox]
 envlist =
     py27
-    py32
-    py33
-    py34
     py35
     py36
     py37
     py38
+    py39
+    py310
     coverage
 
 [testenv]